fzus53 kapx 171845
nshapx
expires:202509180245;;147905

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-180245-
grand traverse bay south of a line grand traverse light to
norwood mi-
245 pm edt wed sep 17 2025

.through early evening...west wind 5 to 10 knots in the afternoon
becoming variable 10 knots or less. sunny. waves 2 feet or less. 
.tonight...light winds. slight chance of waterspouts. slight
chance of showers and thunderstorms. waves 2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147911

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-180245-
sturgeon pt to alabaster mi-
245 pm edt wed sep 17 2025

.through early evening...southeast wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...west wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.thursday...north wind 10 to 15 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 
.friday...northeast wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147908

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-180245-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
245 pm edt wed sep 17 2025

.through early evening...west wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...light winds. slight chance of waterspouts. slight
chance of showers. waves 2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147910

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-180245-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
245 pm edt wed sep 17 2025

.through early evening...southeast wind 5 to 10 knots becoming
south early in the evening. sunny. waves 2 feet or less. 
.tonight...west wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.thursday...north wind 10 to 15 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 
.friday...northeast wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147909

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-180245-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
245 pm edt wed sep 17 2025

.through early evening...east wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.thursday...northwest wind 5 to 10 knots. partly sunny. waves
2 feet or less. 
.thursday night...northeast wind 10 to 15 knots. mostly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147903

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-180245-
seul choix point to 5nm west of mackinac bridge-
245 pm edt wed sep 17 2025

.through early evening...southwest wind 5 to 10 knots. slight
chance of showers and thunderstorms. waves 2 feet or less. 
.tonight...north wind 5 to 10 knots. slight chance of
waterspouts. slight chance of showers. waves 2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147904

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-180245-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
245 pm edt wed sep 17 2025

.through early evening...southwest wind 10 to 15 knots. sunny.
waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. slight chance of
waterspouts. slight chance of showers and thunderstorms. waves
2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147902

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-180245-
st ignace to false detour channel-
245 pm edt wed sep 17 2025

.through early evening...south wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...northwest wind 5 to 10 knots. mostly cloudy. waves
2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147906

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-345-180245-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
245 pm edt wed sep 17 2025

.through early evening...southwest wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...north wind 5 to 10 knots. slight chance of
waterspouts. slight chance of showers and thunderstorms. waves
2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147907

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-180245-
manistee to point betsie mi-
245 pm edt wed sep 17 2025

.through early evening...southwest wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. slight chance of waterspouts.
slight chance of showers and thunderstorms. waves 2 feet or less.
.thursday...north wind 10 to 15 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147900

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-180245-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
245 pm edt wed sep 17 2025

.through early evening...north wind 5 to 10 knots. mostly sunny.
waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. mostly cloudy. waves
2 feet or less. 
.thursday...north wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171845
nshapx
expires:202509180245;;147901

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-180245-
st. marys river point iroquois to e. potagannissing bay-
245 pm edt wed sep 17 2025

.through early evening...light winds becoming southwest 5 to
10 knots early in the evening. sunny.
.tonight...northwest wind 5 to 10 knots. mostly cloudy. 
.thursday...north wind 5 to 10 knots. partly sunny. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy. 
.friday...east wind 5 to 10 knots. sunny.

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151217

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz042-180300-
niagara river to hamlin beach along lake ontario-
403 pm edt wed sep 17 2025

.tonight...east winds less than 10 knots becoming southwest.
areas of fog after midnight. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. areas of
fog in the morning. waves 1 foot or less. 
.thursday night...west winds 5 to 15 knots becoming north. partly
cloudy. waves 2 feet or less building to 2 to 3 feet. 
.friday...north winds 5 to 15 knots diminishing to less than
10 knots. mostly sunny. waves 1 to 3 feet. 
.friday night...northeast winds 10 knots or less becoming east
10 to 15 knots. mainly clear. waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southeast. mainly
clear, then becoming partly cloudy. waves 1 to 3 feet building to
2 to 4 feet, then subsiding to 1 to 3 feet. 
.sunday...southeast winds 5 to 10 knots becoming south. a chance
of showers sunday night. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. a chance
of showers. waves 2 feet or less. 

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151220

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-180300-
mexico bay to the saint lawrence river along lake ontario-
403 pm edt wed sep 17 2025

.tonight...northeast winds 10 knots or less becoming south.
partly cloudy. waves 1 foot or less. 
.thursday...south winds 5 to 15 knots becoming southwest. sunny.
waves 2 feet or less. 
.thursday night...west winds 5 to 15 knots becoming north 15 to
20 knots. partly to mostly cloudy. waves 1 to 3 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. sunny. waves 1 to 3 feet. 
.friday night...north winds 5 to 10 knots becoming northeast.
mainly clear. waves 2 feet or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
mainly clear. waves 2 feet or less. 
.sunday...southeast winds 10 to 15 knots becoming south 15 to
20 knots. partly cloudy. waves 1 to 3 feet building to 2 to
4 feet. 
.monday...south winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers monday night. waves 2 to 4 feet
subsiding to 2 feet or less. 

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151219

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz044-180300-
sodus bay to mexico bay along lake ontario-
403 pm edt wed sep 17 2025

.tonight...northeast winds 10 knots or less becoming south.
partly cloudy. waves 1 foot or less. 
.thursday...south winds 5 to 10 knots becoming west. sunny. waves
1 foot or less. 
.thursday night...west winds 5 to 15 knots becoming north 15 to
20 knots. partly cloudy in the evening, then becoming mostly
cloudy. waves 1 to 2 feet building to 2 to 4 feet. 
.friday...north winds 15 to 20 knots becoming northwest 5 to
15 knots. mostly sunny. waves 2 to 4 feet subsiding to 1 to
2 feet. 
.friday night...northwest winds 5 to 10 knots becoming northeast.
mainly clear. waves 1 to 2 feet. 
.saturday...northeast winds 5 to 10 knots becoming southeast.
mainly clear. waves 2 feet or less. 
.sunday...southeast winds 10 to 15 knots becoming south. partly
cloudy. waves 2 feet or less. 
.monday...south winds 5 to 15 knots. a chance of showers monday
night. waves 2 feet or less. 

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151218

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz043-180300-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
403 pm edt wed sep 17 2025

.tonight...east winds 10 knots or less becoming southwest.
becoming mainly clear. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. sunny.
waves 1 foot or less. 
.thursday night...west winds 5 to 15 knots becoming north 15 to
20 knots. partly cloudy in the evening, then becoming mostly
cloudy. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...north winds 15 to 20 knots diminishing to 5 to
15 knots. becoming mostly sunny. waves 2 to 4 feet subsiding to
1 to 2 feet. 
.friday night...north winds 10 knots or less becoming east 10 to
15 knots. mainly clear. waves 2 feet or less building to 2 to
3 feet. 
.saturday...east winds 5 to 15 knots becoming southeast. mainly
clear. waves 1 to 3 feet. 
.sunday...southeast winds 10 to 15 knots becoming south. a chance
of showers sunday night. waves 2 feet or less. 
.monday...south winds 5 to 15 knots. a chance of showers. waves
2 feet or less. 

the water temperature off rochester is 59 degrees.

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151214

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez020-180300-
upper niagara river and buffalo harbor-
403 pm edt wed sep 17 2025

.tonight...northeast winds less than 10 knots. patchy fog late. 
.thursday...southwest winds 10 knots or less. patchy fog in the
morning. 
.thursday night...southwest winds 10 knots or less becoming
north. partly cloudy. 
.friday...north winds 10 knots or less. becoming mostly sunny. 
.friday night...northeast winds less than 10 knots becoming east.
mainly clear. 
.saturday...east winds 5 to 10 knots becoming southeast. mainly
clear, then becoming partly cloudy. 
.sunday...south winds 5 to 10 knots. a chance of showers sunday
night. 
.monday...south winds 5 to 10 knots. a chance of showers. 

the water temperature off buffalo is 70 degrees.

$$

fzus51 kbuf 172003
nshbuf
expires:202509180300;;151216

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez040-041-180300-
buffalo to ripley along lake erie-
403 pm edt wed sep 17 2025

.tonight...southwest winds less than 10 knots. mainly clear.
waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots. sunny. waves 2 feet or
less. 
.thursday night...southwest winds 5 to 10 knots becoming north.
partly cloudy. waves 2 feet or less. 
.friday...north winds 5 to 15 knots. becoming mostly sunny. waves
2 feet or less. 
.friday night...northeast winds 5 to 10 knots becoming east.
mainly clear. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots becoming southeast. mainly
clear, then becoming partly cloudy. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers sunday night. waves 1 to 3 feet. 
.monday...south winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet subsiding to 1 foot or less. 

$$

fzus51 kcle 171936
nshcle
expires:202509180215;;149936

nearshore marine forecast
national weather service cleveland oh
336 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez144>146-180215-
the islands to vermilion oh-vermilion to avon point oh-
avon point to willowick oh-
336 pm edt wed sep 17 2025

.tonight...northeast winds less than 10 knots. mostly clear.
waves 1 foot or less. 
.thursday...light and variable winds. sunny. waves 1 foot or
less. 
.thursday night...south winds 10 knots or less becoming
northeast. mostly clear. waves 1 foot or less. 
.friday...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 71 degrees, off cleveland 70
degrees, and off erie 69 degrees.

$$

fzus51 kcle 171936
nshcle
expires:202509180215;;149937

nearshore marine forecast
national weather service cleveland oh
336 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez147>149-180215-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
336 pm edt wed sep 17 2025

.tonight...east winds less than 10 knots. mostly clear. waves
1 foot or less. 
.thursday...southwest winds 10 knots or less becoming west.
sunny. waves 1 foot or less. 
.thursday night...west winds 5 to 10 knots becoming northeast.
mostly clear. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 71 degrees, off cleveland 70
degrees, and off erie 69 degrees.

$$

fzus51 kcle 171936
nshcle
expires:202509180215;;149935

nearshore marine forecast
national weather service cleveland oh
336 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez142-143-180215-
maumee bay to reno beach oh-reno beach to the islands oh-
336 pm edt wed sep 17 2025

.tonight...east winds less than 10 knots. mostly clear. waves
1 foot or less. 
.thursday...light and variable winds. sunny. waves 1 foot or
less. 
.thursday night...southeast winds 10 knots or less becoming
northeast. mostly clear. waves 1 foot or less. 
.friday...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 71 degrees, off cleveland 70
degrees, and off erie 69 degrees.

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150429

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz121-180415-
chequamegon bay-bayfield to oak point wi-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through
friday morning...

.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. slight chance of rain showers late in the night. waves
1 to 2 feet. 
.thursday...northeast wind 15 to 20 knots. chance of rain
showers. waves 1 to 3 feet. 
.thursday night...northeast wind 10 to 15 knots. gusts up to
20 knots until early morning. slight chance of rain showers
through the night. slight chance of thunderstorms after midnight.
waves 1 to 3 feet. 
.friday...east wind 10 to 15 knots with gusts to around 20 knots.
slight chance of thunderstorms in the morning. chance of rain
showers through the day. waves 1 to 2 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150423

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-141-180415-
grand portage to grand marais mn-
grand marais to taconite harbor mn-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from thursday morning through
late friday night...

.tonight...northwest wind 5 knots becoming northeast in the late
evening and overnight. partly cloudy early in the evening then
becoming mostly cloudy. waves 1 to 2 feet. 
.thursday...northeast wind 10 to 15 knots with gusts to around
20 knots. slight chance of rain showers in the afternoon. waves
1 to 3 feet. 
.thursday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. mostly cloudy. waves 1 to 3 feet. 
.friday...east wind 15 to 20 knots with gusts to around 25 knots.
slight chance of rain showers in the morning. waves 4 to 6 feet.
waves occasionally to 7 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150424

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz142-180415-
taconite harbor to silver bay harbor mn-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through late
friday night...

.tonight...north wind 5 knots becoming northeast with gusts to
around 20 knots in the late evening and overnight. partly cloudy
early in the evening then becoming mostly cloudy. waves 1 to
2 feet. 
.thursday...northeast wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. slight chance
of rain showers in the morning, then chance of rain showers in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet in the
late morning and afternoon. 
.thursday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain showers. waves 3 to
5 feet. 
.friday...east wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots early in the afternoon, then decreasing to
25 knots late in the afternoon. chance of rain showers. waves
4 to 6 feet. waves occasionally to 8 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150425

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz143-180415-
silver bay harbor to two harbors mn-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through late
friday night...

.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. partly cloudy early in the evening then becoming mostly
cloudy. waves 1 to 2 feet. 
.thursday...northeast wind 15 to 20 knots with gusts to around
25 knots. chance of rain showers. waves 3 to 5 feet. 
.thursday night...northeast wind 10 to 15 knots with gusts to
around 25 knots. slight chance of rain showers through the night.
slight chance of thunderstorms after midnight. waves 3 to 5 feet.
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. slight chance of thunderstorms in the morning. chance
of rain showers through the day. waves 4 to 6 feet. waves
occasionally to 8 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150426

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz144-145-180415-
two harbors to duluth mn-duluth mn to port wing wi-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through late
friday night...

.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. slight chance of rain showers late in the night. waves
1 to 3 feet. 
.thursday...northeast wind 15 to 20 knots with gusts to around
25 knots. chance of rain showers. waves 3 to 5 feet. waves
occasionally to 7 feet. 
.thursday night...northeast wind 15 to 20 knots with gusts to
around 25 knots. slight chance of rain showers in the evening,
then chance of rain showers and slight chance of thunderstorms
after midnight. waves 3 to 5 feet. 
.friday...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late morning and afternoon. slight chance of thunderstorms in
the morning. chance of rain showers through the day. waves 4 to
6 feet. waves occasionally to 8 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150427

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz146-180415-
port wing to sand island wi-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through late
friday night...

.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. slight chance of rain showers late in the night. waves
1 to 2 feet. 
.thursday...northeast wind 15 to 20 knots with gusts to around
25 knots. chance of rain showers. waves 3 to 5 feet. 
.thursday night...east wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. slight chance of rain
showers through the night. slight chance of thunderstorms after
midnight. waves 3 to 5 feet. 
.friday...east wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the afternoon. slight chance of
thunderstorms in the morning. chance of rain showers through the
day. waves 3 to 5 feet. waves occasionally to 7 feet. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150430

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-180415-
oak point to saxon harbor wi-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through
friday morning...

.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots. partly cloudy early in the evening then becoming mostly
cloudy. waves 1 to 3 feet. 
.thursday...northeast wind 15 to 20 knots with gusts to around
25 knots. chance of rain showers. waves 3 to 5 feet. waves
occasionally to 7 feet. 
.thursday night...east wind 15 to 20 knots. slight chance of rain
showers through the night. slight chance of thunderstorms after
midnight. waves 3 to 5 feet. waves occasionally to 7 feet. 
.friday...east wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. slight chance of thunderstorms in the
morning. chance of rain showers through the day. waves 2 to
4 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 171954
nshdlh
expires:202509180415;;150428

nearshore marine forecast
national weather service duluth mn
254 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz147-180415-
sand island to bayfield wi-
254 pm cdt wed sep 17 2025

...small craft advisory in effect from late tonight through late
friday night...

.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots. partly cloudy early in the evening then becoming mostly
cloudy. waves 1 to 2 feet. 
.thursday...east wind 15 to 20 knots with gusts to around
25 knots. chance of rain showers. waves 3 to 5 feet. 
.thursday night...east wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. slight chance of rain
showers through the night. slight chance of thunderstorms after
midnight. waves 3 to 5 feet. 
.friday...east wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the afternoon. slight chance of
thunderstorms in the morning. chance of rain showers through the
day. waves 3 to 5 feet. waves occasionally to 7 feet. 

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150404

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez444-180400-
michigan waters of lake erie from detroit river to north cape mi-
351 pm edt wed sep 17 2025

.tonight...southeast winds 5 to 10 knots in the evening becoming
light and variable. mostly clear. waves 2 feet or less. 
.thursday...light and variable winds becoming southwest 5 to
10 knots in the late morning and early afternoon, then backing to
the south early in the afternoon. sunny. waves 2 feet or less. 
.thursday night...southeast winds 5 to 10 knots backing to the
northeast in the late evening and overnight. mostly clear. waves
2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming east 10 to
15 knots early in the afternoon. partly cloudy until late
afternoon becoming mostly sunny. waves 2 feet or less. 

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is 71 degrees.

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150401

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-180400-
port austin to harbor beach mi-
351 pm edt wed sep 17 2025

.tonight...southeast winds 5 to 10 knots in the evening becoming
light and variable, then becoming west 5 to 10 knots early in the
morning. mostly clear. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and afternoon. mostly sunny until
late afternoon, then partly cloudy with a slight chance of
showers early in the afternoon. waves 2 feet or less. 
.thursday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and early morning, then
increasing to 10 to 15 knots after midnight. partly cloudy. waves
1 to 3 feet. 
.friday...northeast winds 10 to 15 knots. mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. waves 2 to 4 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150399

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-180400-
inner saginaw bay sw of point au gres to bay port mi-
351 pm edt wed sep 17 2025

.tonight...southeast winds 5 to 10 knots in the evening becoming
light and variable, then becoming west 5 to 10 knots early in the
morning. clear. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots veering to the north in
the late morning and early afternoon, then becoming northeast
15 to 20 knots early in the afternoon. mostly sunny until late
afternoon becoming partly cloudy. a slight chance of showers in
the late morning and early afternoon. a slight chance of showers
and thunderstorms early in the afternoon. waves 2 feet or less. 
.thursday night...northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. waves 1 to 3 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150400

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-180400-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
351 pm edt wed sep 17 2025

.tonight...southeast winds 5 to 10 knots veering to the southwest
after midnight. mostly clear. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and early afternoon, then becoming
northeast 15 to 20 knots early in the afternoon. mostly sunny
until late afternoon, then partly cloudy with a slight chance of
showers and thunderstorms early in the afternoon. waves 2 feet or
less. 
.thursday night...northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150403

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-180400-
port sanilac to port huron mi-
351 pm edt wed sep 17 2025

.tonight...northeast winds 5 to 10 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and afternoon. mostly sunny. waves
2 feet or less. 
.thursday night...north winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight. 
.friday...northeast winds 10 to 15 knots becoming north 15 to
20 knots early in the afternoon. partly cloudy until late
afternoon then clearing. waves 1 to 3 feet building to 2 to
4 feet early in the afternoon. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 171951
nshdtx
expires:202509180400;;150402

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
351 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-180400-
harbor beach to port sanilac mi-
351 pm edt wed sep 17 2025

.tonight...light and variable winds. mostly clear. waves 2 feet
or less. 
.thursday...west winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and afternoon. mostly sunny. a
slight chance of showers early in the afternoon. waves 2 feet or
less. 
.thursday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. partly cloudy until late
afternoon then clearing. waves 1 to 3 feet building to 2 to
4 feet early in the afternoon. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 172103
nshgrb
expires:202509180100;;153916

nearshore marine forecast
national weather service green bay wi
403 pm cdt wed sep 17 2025

for waters within five nautical miles of the shore on lake michigan


lmz541-180100-
rock island passage to sturgeon bay wi-
403 pm cdt wed sep 17 2025

.rest of this afternoon...s wind 5 to 10 kts. a slight chance of
light showers and thunderstorms. waves 2 ft or less. 
.tonight...nw wind 5 to 10 kts veering n after midnight. a slight
chance of light showers and thunderstorms in the evening. patchy
fog after midnight. waves 2 ft or less. 
.thursday...ne wind 5 to 10 kts. patchy fog in the morning. waves
2 ft or less. 
.thursday night...ne wind 5 to 10 kts. mostly cloudy. waves 2 ft
or less. 
.friday...ne wind 10 to 20 kts. partly sunny. waves 2 ft or less.

$$

fzus53 kgrb 172103
nshgrb
expires:202509180100;;153917

nearshore marine forecast
national weather service green bay wi
403 pm cdt wed sep 17 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-180100-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
403 pm cdt wed sep 17 2025

.rest of this afternoon...s wind 5 to 10 kts. mostly sunny. waves
2 ft or less. 
.tonight...sw wind 5 to 10 kts veering n after midnight. patchy
fog after midnight. waves 2 ft or less. 
.thursday...ne wind 5 to 10 kts. patchy fog in the morning. waves
2 ft or less. 
.thursday night...ne wind 10 to 15 kts. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 3 ft. 
.friday...ne wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. partly sunny. waves 1 to 3 ft. 

$$

fzus53 kgrb 172103
nshgrb
expires:202509180100;;153915

nearshore marine forecast
national weather service green bay wi
403 pm cdt wed sep 17 2025

for waters within five nautical miles of the shore on lake michigan


lmz521-522-180100-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
403 pm cdt wed sep 17 2025

.rest of this afternoon...s wind 5 to 10 kts. a slight chance of
light showers and thunderstorms. waves 2 ft or less. 
.tonight...ne wind 5 to 10 kts. a slight chance of light showers
and thunderstorms in the evening. patchy fog after midnight.
waves 2 ft or less. 
.thursday...ne wind 5 to 10 kts. patchy fog in the morning. waves
2 ft or less. 
.thursday night...ne wind 10 to 15 kts. partly cloudy in the
evening then becoming mostly cloudy. waves 2 ft or less. 
.friday...ne wind 10 to 15 kts. partly sunny. waves 2 ft or less.

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151484

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
405 pm edt wed sep 17 2025

.through early evening...west winds around 10 knots. sunny. waves
less than 1 foot. 
.tonight...northwest winds 5 to 10 knots veering north in the late
evening and early morning, then veering east after midnight. mostly
clear. waves less than 1 foot. 
.thursday...southeast winds around 5 knots veering southwest in the
late morning and early afternoon, then veering northwest early in
the afternoon. sunny. waves around 1 foot. 
.thursday night...northwest winds 10 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 2 feet. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...northeast winds 10 to 15 knots veering east 15 to
25 knots in the late evening and overnight. partly cloudy. waves
1 to 2 feet. 
.saturday...southeast winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet. 
.sunday...south winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.monday...south winds 15 to 20 knots. mostly sunny with rain showers
likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151487

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
405 pm edt wed sep 17 2025

.through early evening...northwest winds around 10 knots. sunny.
waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering east in the late
evening and overnight. mostly clear. waves less than 1 foot. 
.thursday...southeast winds around 5 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves less than 1 foot. 
.thursday night...north winds 5 to 10 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.friday...east winds 5 to 10 knots backing northeast early in the
afternoon. sunny. waves 1 to 2 feet. 
.friday night...northeast winds 10 to 20 knots veering east in the
late evening and overnight. partly cloudy. waves 1 to 2 feet. 
.saturday...southeast winds 10 to 20 knots. mostly sunny. waves
around 1 foot. 
.sunday...south winds 10 to 15 knots veering southwest early in the
afternoon. partly sunny. waves around 1 foot. 
.monday...southwest winds 10 to 15 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 1 to 2 feet. 

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151486

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
405 pm edt wed sep 17 2025

.through early evening...northwest winds around 10 knots. sunny.
waves less than 1 foot. 
.tonight...northwest winds 5 to 10 knots veering east after
midnight. mostly clear. waves less than 1 foot. 
.thursday...southeast winds around 5 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves 1 foot or less. 
.thursday night...north winds around 10 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.friday...east winds 10 to 15 knots backing northeast early in the
afternoon. mostly sunny. waves around 1 foot. 
.friday night...east winds 10 to 20 knots becoming after midnight.
partly cloudy. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. mostly sunny. waves
around 1 foot. 
.sunday...south winds around 15 knots veering southwest early in the
afternoon. partly sunny. waves 1 to 2 feet. 
.monday...southwest winds around 15 knots. partly sunny with rain
showers likely. waves 1 to 3 feet. 

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151485

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
405 pm edt wed sep 17 2025

.through early evening...northwest winds around 10 knots. sunny.
waves less than 1 foot. 
.tonight...northwest winds 5 to 10 knots veering east after
midnight. mostly clear. waves less than 1 foot. 
.thursday...southeast winds around 5 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. mostly sunny. waves 1 foot or less. 
.thursday night...northwest winds around 10 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...east winds 15 to 25 knots. partly cloudy. waves 1 to
2 feet. 
.saturday...southeast winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet. 
.sunday...south winds around 15 knots. partly sunny. waves 1 to
3 feet. 
.monday...south winds 15 to 20 knots. partly sunny with rain showers
likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151483

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
405 pm edt wed sep 17 2025

.through early evening...southwest winds around 10 knots. sunny.
waves less than 1 foot. 
.tonight...southwest winds 5 to 10 knots backing southeast after
midnight. partly cloudy. waves less than 1 foot. 
.thursday...southeast winds around 5 knots veering southwest in the
late morning and early afternoon, then veering northwest 10 to
15 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 
.thursday night...north winds 10 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots. mostly sunny. waves 1 foot
or less. 
.friday night...northeast winds 10 to 15 knots veering east 15 to
20 knots in the late evening and overnight. partly cloudy. waves
1 to 2 feet. 
.saturday...southeast winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet. 
.sunday...south winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.monday...south winds 10 to 15 knots. mostly sunny with rain showers
likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 172005
nshgrr
expires:202509180800;;151482

nearshore marine forecast
national weather service grand rapids mi
405 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
405 pm edt wed sep 17 2025

.through early evening...southwest winds around 10 knots. sunny.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots backing east after
midnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds 5 to 15 knots backing north in the late
morning and afternoon. mostly sunny. waves 1 to 2 feet. 
.thursday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...northeast winds 10 to 20 knots veering east in the
late evening and overnight. partly cloudy. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. partly sunny. waves
around 1 foot. 
.sunday...south winds 10 to 20 knots. partly sunny with a chance of
rain showers. waves 2 to 3 feet. 
.monday...south winds 10 to 20 knots. mostly sunny with rain showers
likely and a chance of thunderstorms. waves 2 to 3 feet. 

$$

fzus53 kiwx 171946
nshiwx
expires:202509180230;;150315

nearshore marine forecast
national weather service northern indiana
346 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz043-046-180230-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
346 pm edt wed sep 17 2025

.tonight...north winds less than 10 knots. mostly clear. waves
1 foot or less. 
.thursday...light and variable winds. sunny. waves 1 foot or
less. 
.thursday night...northeast winds 10 knots or less becoming east.
mostly clear. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming northeast. sunny.
waves 1 foot or less. 

the water temperature at st. joseph is 55 degrees and at michigan
city is 56 degrees.


$$

fzus53 klot 172024
nshlot
expires:202509180330;;152447

nearshore marine forecast
national weather service chicago/romeoville il
324 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740>742-180330-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
324 pm cdt wed sep 17 2025

.tonight...northeast winds 5 to 10 kt becoming south late. mostly
clear. waves 1 ft or less. 
.thursday...south winds 5 to 10 kt becoming east 10 to 15 kt in 
the afternoon. mostly sunny. waves around 1 ft. 
.thursday night...northeast winds around kt. mostly clear in the 
evening, then becoming partly cloudy. waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming northeast. partly
cloudy. waves 1 to 3 ft.  

$$

fzus53 klot 172024
nshlot
expires:202509180330;;152448

nearshore marine forecast
national weather service chicago/romeoville il
324 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-180330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
324 pm cdt wed sep 17 2025

.tonight...northeast winds 5 to 10 kt becoming southeast less
late. mostly clear. waves 1 ft or less. 
.thursday...south winds 5 to 10 kt becoming northeast in the 
afternoon. mostly sunny. waves around 1 ft. 
.thursday night...northeast winds 5 to 10 kt becoming east.
mostly clear. waves around 1 ft. 
.friday...east winds 5 to 10 kt becoming northeast around 10 kt 
in the afternoon. mostly sunny in the morning, then becoming 
partly cloudy. waves 1 to 2 ft. 

$$

fzus53 kmkx 172005
nshmkx
expires:202509180900;;151489

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz644-180900-
port washington to north point light wi-
305 pm cdt wed sep 17 2025

.through early evening...southeast wind 5 to 10 knots veering
south late in the afternoon. sunny. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then becoming west after midnight becoming west 5 knots
early in the morning. partly cloudy. waves around 1 foot. 
.thursday...north wind 5 knots rising to 5 to 10 knots late in
the morning, then veering northeast early in the afternoon rising
to 10 to 15 knots late in the afternoon. mostly sunny. waves
around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet building to 2 to 4 feet after midnight. 
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. partly sunny. waves 2 to 4 feet. 

$$

fzus53 kmkx 172005
nshmkx
expires:202509180900;;151488

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz643-180900-
sheboygan to port washington wi-
305 pm cdt wed sep 17 2025

.through early evening...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. sunny. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then veering west after midnight veering north early in
the morning. partly cloudy. waves around 1 foot. 
.thursday...north wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. partly sunny. waves around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. partly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 

$$

fzus53 kmkx 172005
nshmkx
expires:202509180900;;151490

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz645-180900-
north point light to wind point wi-
305 pm cdt wed sep 17 2025

.through early evening...southeast wind 5 to 10 knots. sunny.
waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then easing to 5 knots after midnight backing south
early in the morning. mostly clear. waves nearly calm. 
.thursday...west wind 5 knots becoming north late in the morning,
then veering northeast early in the afternoon becoming northeast
5 to 10 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet building to 2 to 4 feet after midnight. 
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. partly sunny. waves 2 to 4 feet. 

$$

fzus53 kmkx 172005
nshmkx
expires:202509180900;;151491

nearshore marine forecast
national weather service milwaukee/sullivan wi
305 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz646-180900-
wind point wi to winthrop harbor il-
305 pm cdt wed sep 17 2025

.through early evening...east wind 5 to 10 knots veering
southeast late in the afternoon. sunny. waves nearly calm. 
.tonight...southeast wind 5 to 10 knots becoming south late in
the evening, then veering southwest after midnight backing south
early in the morning. mostly clear. waves nearly calm. 
.thursday...southwest wind 5 knots becoming east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
backing northeast late in the afternoon. mostly sunny. waves
around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet building to 2 to 4 feet early in the morning. 
.friday...northeast wind 10 to 15 knots veering east late in the
morning, then becoming east 10 to 15 knots early in the afternoon
backing northeast late in the afternoon. partly sunny. waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153818

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-180800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
502 pm edt wed sep 17 2025

.late this afternoon...northeast wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...northeast wind less than 10 knots. partly cloudy
through late evening then becoming mostly cloudy. waves calm to
1 foot. 
.thursday...northeast wind 10 to 15 knots. mostly cloudy with a
slight chance of showers. waves building to 1 to 2 feet. 
.thursday night...east wind 10 to 15 knots. mostly cloudy. a
slight chance of showers in the evening. waves 1 to 2 feet. 
.friday...east wind 10 to 20 knots. partly cloudy. waves building
to 2 to 3 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153819

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-180800-
huron islands to marquette mi-
502 pm edt wed sep 17 2025

.late this afternoon...northeast wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots becoming north less
than 10 knots by midnight. partly cloudy through midnight then
becoming mostly cloudy. patchy fog late. waves building to 1 to
2 feet. 
.thursday...northeast wind less than 10 knots. gusts up to
19 knots. mostly cloudy. a slight chance of showers by late
morning. waves 1 to 2 feet. 
.thursday night...northeast wind less than 10 knots veering east
10 to 15 knots after midnight. mostly cloudy. a slight chance of
showers in the evening. waves building to 2 to 3 feet. 
.friday...east wind 10 to 15 knots. partly cloudy. waves 2 to
3 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153820

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-180800-
marquette to munising mi-
502 pm edt wed sep 17 2025

.late this afternoon...north wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots becoming northwest
less than 10 knots by midnight. mostly cloudy. patchy fog through
the night. waves building to 1 to 2 feet. 
.thursday...north wind less than 10 knots veering northeast by
late morning. mostly cloudy. patchy fog through mid morning. a
slight chance of showers by late morning. waves 1 to 2 feet. 
.thursday night...northeast wind 10 to 15 knots veering east
after midnight. mostly cloudy with a slight chance of showers in
the evening, then partly cloudy after midnight. waves building to
2 to 3 feet. 
.friday...east wind 10 to 15 knots. mostly sunny. waves subsiding
to 1 to 2 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153821

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-180800-
munising to grand marais mi-
502 pm edt wed sep 17 2025

.late this afternoon...northwest wind less than 10 knots. mostly
cloudy. waves calm to 1 foot. 
.tonight...northwest wind less than 10 knots veering north late.
mostly cloudy. patchy fog through the night. waves building to
1 to 2 feet. 
.thursday...northeast wind 10 to 15 knots. partly cloudy. patchy
fog through mid morning. waves 1 to 2 feet. 
.thursday night...northeast wind 10 to 15 knots veering east
after midnight. partly cloudy. waves building to 2 to 3 feet. 
.friday...east wind 10 to 15 knots. mostly sunny. waves subsiding
to 1 to 2 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153822

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-180800-
grand marais to whitefish point mi-
502 pm edt wed sep 17 2025

.late this afternoon...northwest wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...west wind less than 10 knots veering northwest late.
cloudy. areas of dense fog through midnight. patchy fog late.
waves building to 1 to 2 feet. 
.thursday...north wind 10 to 15 knots. partly cloudy. patchy fog
through mid morning. waves 1 to 2 feet. 
.thursday night...northeast wind 10 to 15 knots veering east
after midnight. partly cloudy. waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet. 
.friday...east wind 10 to 15 knots backing northeast in the
afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153812

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-180800-
green bay north of line from cedar river mi to rock island
passage-
502 pm edt wed sep 17 2025

.late this afternoon...south wind less than 10 knots. mostly
sunny with a chance of showers and thunderstorms. waves calm to
1 foot. 
.tonight...northeast wind less than 10 knots backing north by
midnight. mostly cloudy then becoming partly cloudy by midnight
then becoming mostly cloudy. a chance of showers and
thunderstorms through late evening, then a slight chance of
showers and thunderstorms by midnight. patchy fog late. waves
calm to 1 foot. 
.thursday...north wind less than 10 knots. mostly cloudy. patchy
fog through mid morning. a slight chance of showers through early
afternoon. waves calm to 1 foot. 
.thursday night...northeast wind 10 to 15 knots. mostly cloudy.
waves building to 1 to 2 feet. 
.friday...east wind 10 to 15 knots. partly cloudy. waves building
to 2 to 3 feet, then subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153813

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-180800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
502 pm edt wed sep 17 2025

.late this afternoon...southwest wind less than 10 knots. mostly
sunny with a slight chance of showers and thunderstorms. waves
calm to 1 foot. 
.tonight...northwest wind less than 10 knots veering north by
midnight. partly cloudy with a slight chance of showers and
thunderstorms through late evening, then mostly cloudy by
midnight. patchy fog by midnight. waves calm to 1 foot. 
.thursday...northeast wind less than 10 knots. mostly cloudy.
patchy fog through mid morning. a slight chance of showers by
late morning. waves calm to 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy in
the evening then becoming mostly cloudy. waves building to 1 to
2 feet. 
.friday...east wind 10 to 15 knots. partly cloudy. waves 1 to
2 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153814

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-241-180800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
502 pm edt wed sep 17 2025 /402 pm cdt wed sep 17 2025/

...small craft advisory in effect from thursday afternoon through
thursday evening...

.late this afternoon...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...northeast wind 5 to 15 knots. partly cloudy through
late evening then becoming mostly cloudy. a slight chance of
showers late. waves building to 2 to 3 feet. 
.thursday...northeast wind 10 to 20 knots. cloudy. a slight
chance of showers through mid morning, then a chance of showers
by late morning. a slight chance of showers late. waves building
to 3 to 5 feet occasionally to 7 feet. 
.thursday night...east wind 10 to 20 knots. cloudy. a slight
chance of showers in the evening, then a slight chance of showers
and thunderstorms after midnight. waves subsiding to 2 to 3 feet.
.friday...east wind 10 to 15 knots. mostly cloudy. a chance of
showers and a slight chance of thunderstorms in the morning, then
a slight chance of showers in the afternoon. waves subsiding to
1 to 2 feet, then building to 2 to 4 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153815

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-180800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
502 pm edt wed sep 17 2025

.late this afternoon...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...northeast wind less than 10 knots becoming 5 to
15 knots by midnight. partly cloudy through late evening then
becoming mostly cloudy. waves building to 1 to 2 feet. 
.thursday...northeast wind 10 to 20 knots. mostly cloudy with a
slight chance of showers. waves building to 2 to 4 feet. 
.thursday night...east wind 10 to 15 knots. mostly cloudy. a
slight chance of showers in the evening. waves subsiding to 1 to
2 feet, then building to 2 to 3 feet. 
.friday...east wind 10 to 15 knots with gusts up to 23 knots.
partly cloudy. a slight chance of showers in the morning. waves
2 to 3 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153816

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-180800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
502 pm edt wed sep 17 2025

.late this afternoon...northwest wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...northwest wind less than 10 knots veering northeast
10 to 15 knots late. partly cloudy through midnight then becoming
mostly cloudy. waves building to 2 to 3 feet. 
.thursday...northeast wind 10 to 15 knots. partly cloudy. waves
2 to 3 feet. 
.thursday night...northeast wind 10 to 15 knots veering east
after midnight. partly cloudy. waves subsiding to 1 to 2 feet,
then building to 2 to 3 feet. 
.friday...east wind 10 to 15 knots. partly cloudy. waves 2 to
3 feet. 

$$

fzus53 kmqt 172102
nshmqt
expires:202509180800;;153817

nearshore marine forecast
national weather service marquette mi
502 pm edt wed sep 17 2025

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-180800-
point isabelle to lower entrance of portage canal mi-
502 pm edt wed sep 17 2025

.late this afternoon...variable wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...north wind less than 10 knots veering northeast late.
partly cloudy through late evening then becoming mostly cloudy.
waves calm to 1 foot. 
.thursday...northeast wind 10 to 15 knots. mostly cloudy. a
slight chance of showers by late morning. waves building to 1 to
2 feet. 
.thursday night...northeast wind less than 10 knots veering east
10 to 15 knots after midnight. mostly cloudy. a slight chance of
showers in the evening. waves 1 to 2 feet. 
.friday...east wind 10 to 15 knots with gusts up to 23 knots.
partly cloudy. waves building to 2 to 3 feet. 

$$