fzus53 kapx 171756
nshapx
expires:202604180200;;532376

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lhz345-180200-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 10 to 20 knots becoming southwest 10 to
15 knots early in the morning. rain likely early in the evening.
slight chance of thunderstorms through the night. rain after
midnight. waves 3 to 5 feet. 
.saturday...west wind 10 to 20 knots. chance of rain and snow
showers. waves 2 to 4 feet. 
.saturday night...west wind 10 to 20 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532377

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lhz346-180200-
st ignace to false detour channel-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 15 to 25 knots becoming south early in
the morning. chance of rain early in the evening. slight chance
of thunderstorms through the night. rain after midnight. waves
5 to 8 feet. waves occasionally around 10 feet. 
.saturday...northwest wind 10 to 20 knots. chance of snow showers
and slight chance of showers. waves 4 to 7 feet. 
.saturday night...west wind 10 to 20 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532378

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lhz347-180200-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 10 to 20 knots. chance of rain early in
the evening, then rain and slight chance of thunderstorms after
midnight. waves 4 to 6 feet. 
.saturday...west wind 15 to 25 knots. slight chance of showers.
waves 4 to 6 feet. 
.saturday night...west wind 10 to 20 knots. chance of snow
showers. waves 4 to 6 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 4 to
7 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532379

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lhz348-180200-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 15 to 25 knots. rain and slight chance
of thunderstorms after midnight. waves 4 to 6 feet building to
5 to 8 feet after midnight. waves occasionally around 9 feet. 
.saturday...west wind 15 to 25 knots. slight chance of showers.
waves 4 to 7 feet. 
.saturday night...northwest wind 10 to 20 knots. partly cloudy.
waves 3 to 5 feet. 
.sunday...northwest wind 15 to 25 knots. partly sunny. waves 4 to
7 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532380

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lhz349-180200-
sturgeon pt to alabaster mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 15 to 25 knots. rain and a chance of
thunderstorms after midnight. waves 3 to 5 feet building to 4 to
6 feet after midnight. 
.saturday...west wind 15 to 25 knots. rain showers. waves 4 to
6 feet. 
.saturday night...west wind 10 to 20 knots. partly cloudy. waves
2 to 3 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532372

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz323-180200-
grand traverse bay south of a line grand traverse light to
norwood mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming southwest early in
the morning. chance of rain and thunderstorms early in the
evening, then rain and slight chance of thunderstorms after
midnight. waves 2 to 4 feet. 
.saturday...west wind 10 to 20 knots. chance of rain and snow
showers. waves 2 to 4 feet. 
.saturday night...northwest wind 15 to 20 knots. chance of snow
showers. waves 2 to 3 feet. 
.sunday...northwest wind 10 to 20 knots. chance of snow showers.
waves 2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532370

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz341-180200-
seul choix point to 5nm west of mackinac bridge-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 15 to 25 knots becoming south 10 to
20 knots after midnight, then becoming west early in the morning.
rain likely and a chance of thunderstorms early in the evening,
then rain and slight chance of thunderstorms after midnight.
waves 3 to 5 feet. 
.saturday...northwest wind 10 to 20 knots. chance of rain and
snow showers. waves 2 to 4 feet. 
.saturday night...northwest wind 10 to 20 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532371

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz342-180200-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming southwest early in
the morning. rain likely and a chance of thunderstorms early in
the evening, then rain and slight chance of thunderstorms after
midnight. waves 2 to 4 feet. 
.saturday...west wind 10 to 20 knots. chance of rain and snow
showers. waves 3 to 5 feet. 
.saturday night...northwest wind 10 to 20 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 10 to 20 knots. partly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532373

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz344-180200-
sleeping bear point to grand traverse light mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming west early in the
morning. chance of rain and thunderstorms early in the evening,
then rain and slight chance of thunderstorms after midnight.
waves 2 to 4 feet. 
.saturday...west wind 10 to 20 knots. chance of rain and snow
showers. waves 3 to 5 feet. 
.saturday night...northwest wind 10 to 15 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 10 to 20 knots. chance of snow showers.
waves 2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532374

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz345-180200-
point betsie to sleeping bear point mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming west early in the
morning. chance of thunderstorms early in the evening. rain
through the night. slight chance of thunderstorms after midnight.
waves 2 to 4 feet. 
.saturday...west wind 10 to 20 knots. chance of rain and snow
showers. waves 3 to 5 feet. 
.saturday night...west wind 10 to 15 knots. chance of snow
showers. waves 2 to 4 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532375

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lmz346-180200-
manistee to point betsie mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...south wind 10 to 20 knots becoming west early in the
morning. rain and a chance of thunderstorms early in the evening,
then rain likely and slight chance of thunderstorms after
midnight. waves 3 to 5 feet. 
.saturday...west wind 10 to 20 knots. slight chance of rain and
snow showers. waves 3 to 5 feet. 
.saturday night...west wind 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532368

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lsz321-180200-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 15 to 25 knots becoming west 10 to
20 knots early in the morning. rain likely and a chance of
thunderstorms early in the evening, then rain and slight chance
of thunderstorms after midnight. waves 3 to 5 feet. 
.saturday...northwest wind 15 to 25 knots. chance of rain and
snow showers. waves 6 to 9 feet. 
.saturday night...west wind 10 to 20 knots. chance of snow
showers. waves 6 to 9 feet. 
.sunday...northwest wind 15 to 25 knots. chance of snow showers.
waves 6 to 9 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171756
nshapx
expires:202604180200;;532369

nearshore marine forecast
national weather service gaylord mi
156 pm edt fri apr 17 2026

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.


lsz322-180200-
st. marys river point iroquois to e. potagannissing bay-
156 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.tonight...southeast wind 10 to 20 knots. chance of rain early in
the evening. slight chance of thunderstorms through the night.
rain after midnight. 
.saturday...northwest wind 15 to 25 knots. chance of snow showers
and slight chance of showers. 
.saturday night...west wind 15 to 20 knots. chance of snow
showers. 
.sunday...northwest wind 15 to 25 knots. partly sunny. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 171946
nshdlh
expires:202604180400;;539317

nearshore marine forecast
national weather service duluth mn
246 pm cdt fri apr 17 2026

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.


lsz148-180400-
oak point to saxon harbor wi-
246 pm cdt fri apr 17 2026

...small craft advisory in effect through saturday evening...

.tonight...west wind 15 to 20 knots with gusts to around
25 knots. patchy fog early in the evening. chance of rain and
thunderstorms early in the evening, then slight chance of rain
late in the evening. waves 1 to 3 feet building to 2 to 4 feet
after midnight. 
.saturday...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late in the afternoon. mostly sunny. waves
2 to 4 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. mostly cloudy in
the evening then becoming partly cloudy. waves 2 to 4 feet
subsiding to 1 to 2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots easing to 5 knots late in
the afternoon. sunny. waves 1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 171946
nshdlh
expires:202604180400;;539307

nearshore marine forecast
national weather service duluth mn
246 pm cdt fri apr 17 2026

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.


lsz140-180400-
grand portage to grand marais mn-
246 pm cdt fri apr 17 2026

...gale warning in effect through late tonight...

.tonight...northwest wind 15 to 20 knots. gusts up to 35 knots
increasing to 40 knots after midnight, then decreasing to
30 knots late in the night. patchy fog early in the evening. rain
likely and chance of thunderstorms early in the evening, then
chance of rain late in the evening. waves 2 to 4 feet subsiding
to 1 to 3 feet late in the night. 
.saturday...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. partly
sunny. waves 3 to 5 feet. a small craft advisory may be needed. 
.saturday night...northwest wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots early in the morning. mostly
cloudy in the evening then becoming partly cloudy. waves 3 to
5 feet subsiding to 1 to 3 feet early in the morning. a small
craft advisory may be needed. 
.sunday...northwest wind 15 to 20 knots. gusts up to 25 knots.
mostly sunny. waves 1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdlh 171946
nshdlh
expires:202604180400;;539308

nearshore marine forecast
national weather service duluth mn
246 pm cdt fri apr 17 2026

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.


lsz141-180400-
grand marais to taconite harbor mn-
246 pm cdt fri apr 17 2026

...gale warning in effect through late tonight...

.tonight...northwest wind 15 to 20 knots. gales up to 40 knots
decreasing to 35 knots late in the evening, then increasing to
40 knots after midnight decreasing to 30 knots late in the night.
rain likely and chance of thunderstorms early in the evening.
waves 2 to 4 feet subsiding to 1 to 3 feet late in the night. 
.saturday...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. mostly
sunny. waves 2 to 4 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
30 knots decreasing to 25 knots after midnight. partly cloudy.
waves 1 to 3 feet. 
.sunday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the morning. mostly sunny. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$

fzus53 kdtx 171946
nshdtx
expires:202604180400;;539345

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
346 pm edt fri apr 17 2026

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-
346 pm edt fri apr 17 2026

...small craft advisory in effect from late tonight through
saturday evening...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. mostly clear in the
evening, then showers and a chance of thunderstorms after
midnight. waves 1 to 3 feet building to 3 to 5 feet after
midnight. 
.saturday...south winds 15 to 20 knots veering to the west in the
late morning and afternoon. becoming partly cloudy early in the
afternoon. rain showers and a chance of thunderstorms early in
the morning, then showers likely in the late morning and early
afternoon. a slight chance of showers early in the afternoon.
waves 3 to 5 feet subsiding to 1 to 3 feet early in the 
afternoon. 
.saturday night...west winds 15 to 20 knots. partly cloudy. waves
1 to 3 feet. 
.sunday...west winds 15 to 20 knots. mostly sunny early in the
morning becoming partly cloudy. a chance of light rain and snow
showers early in the afternoon. 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 171946
nshdtx
expires:202604180400;;539347

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
346 pm edt fri apr 17 2026

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-
346 pm edt fri apr 17 2026

...small craft advisory in effect from late tonight through
saturday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 20 to
25 knots. partly cloudy in the evening, then mostly cloudy with
showers likely and a chance of thunderstorms after midnight.
waves 1 to 3 feet building to 4 to 6 feet. waves occasionally
around 8 feet. 
.saturday...south winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. mostly cloudy. a
chance of thunderstorms in the morning. rain showers likely. a
slight chance of thunderstorms in the afternoon. waves 4 to
6 feet subsiding to 2 to 4 feet early in the afternoon. waves
occasionally around 8 feet. 
.saturday night...northwest winds 10 to 15 knots. partly cloudy.
waves 2 to 4 feet. 
.sunday...northwest winds 15 to 20 knots. mostly sunny early in
the morning becoming partly cloudy. 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 171946
nshdtx
expires:202604180400;;539346

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
346 pm edt fri apr 17 2026

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-
346 pm edt fri apr 17 2026

...small craft advisory in effect from late tonight through
saturday evening...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. partly cloudy in the
evening, then mostly cloudy with showers likely and a chance of
thunderstorms after midnight. waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight. 
.saturday...south winds 15 to 20 knots veering to the west in the
late morning and afternoon. becoming partly cloudy early in the
afternoon. rain showers and a chance of thunderstorms early in
the morning, then showers likely in the late morning and early
afternoon. a slight chance of showers early in the afternoon.
waves 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. partly cloudy. waves 1 to 3 feet. 
.sunday...west winds 15 to 20 knots. mostly sunny early in the
morning becoming partly cloudy. a chance of light rain and snow
showers early in the afternoon. 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 171946
nshdtx
expires:202604180400;;539348

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
346 pm edt fri apr 17 2026

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-
346 pm edt fri apr 17 2026

...small craft advisory in effect from late tonight through
saturday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. partly cloudy. rain
showers likely and a chance of thunderstorms after midnight.
waves 1 to 3 feet building to 3 to 5 feet after midnight. waves
occasionally around 7 feet. 
.saturday...south winds 15 to 20 knots veering to the west early
in the afternoon. mostly cloudy. rain showers likely and a chance
of thunderstorms early in the morning, then a slight chance of
thunderstorms in the late morning and early afternoon. a chance
of showers in the late morning and afternoon. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the afternoon. waves
occasionally around 8 feet. 
.saturday night...west winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots. mostly sunny early in
the morning becoming partly cloudy. a chance of light snow
showers early in the afternoon. waves 1 to 3 feet. 

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

$$

fzus53 kdtx 171946
nshdtx
expires:202604180400;;539349

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
346 pm edt fri apr 17 2026

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-
346 pm edt fri apr 17 2026

...small craft advisory in effect from late tonight through
saturday afternoon...

.tonight...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. partly cloudy. a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 3 to 5 feet after midnight. waves occasionally
around 7 feet. 
.saturday...south winds 15 to 20 knots veering to the west early
in the afternoon. rain showers and a chance of thunderstorms
early in the morning, then showers likely and a slight chance of
thunderstorms in the late morning and early afternoon. a chance
of showers early in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. waves occasionally around
7 feet. 
.saturday night...west winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. mostly sunny until
late afternoon, then partly cloudy with a chance of light rain
and snow showers early in the afternoon. waves 1 to 3 feet. 

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

$$

fzus53 kgrb 172008
nshgrb
expires:202604180400;;540336

nearshore marine forecast
national weather service green bay wi
307 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz541-180400-
rock island passage to sturgeon bay wi-
307 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday morning...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
patchy dense fog. a slight chance of showers and thunderstorms. 
.tonight...s wind 15 to 25 kts veering nw after midnight. waves
5 to 8 ft. patchy dense fog. a chance of thunderstorms in the
evening. rain showers likely. 
.saturday...nw wind 15 to 25 kts backing w 10 to 15 kts in the
late morning and afternoon. waves 3 to 5 ft subsiding to 1 to
3 ft in the afternoon. partly cloudy. 
.saturday night...w wind 10 to 15 kts. waves 1 to 3 ft. partly
cloudy. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrb 172008
nshgrb
expires:202604180400;;540335

nearshore marine forecast
national weather service green bay wi
307 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz521-180400-
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-
307 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through late tonight...

.late this afternoon...s wind 15 to 25 kts. waves 2 to 4 ft.
patchy dense fog. a chance of showers and thunderstorms. 
.tonight...s wind 15 to 25 kts veering nw 10 to 20 kts after
midnight. waves 2 to 4 ft subsiding to 1 to 3 ft after midnight.
patchy dense fog. a chance of showers and thunderstorms in the
evening. rain showers likely after midnight. 
.saturday...w wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy. 
.saturday night...w wind 10 to 15 kts. waves 1 to 3 ft. partly
cloudy. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrb 172008
nshgrb
expires:202604180400;;540334

nearshore marine forecast
national weather service green bay wi
307 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz522-180400-
green bay south of line from oconto wi to little sturgeon bay wi-
307 pm cdt fri apr 17 2026

...small craft advisory in effect through late tonight...

.late this afternoon...s wind 15 to 25 kts. waves 2 to 4 ft. a
chance of showers and thunderstorms. 
.tonight...s wind 15 to 25 kts veering sw 10 to 15 kts, then
veering nw 10 to 20 kts after midnight. waves 2 to 4 ft subsiding
to 1 to 3 ft after midnight. patchy fog. a chance of
thunderstorms in the evening. rain showers. 
.saturday...w wind 15 to 25 kts. waves 1 to 3 ft. partly cloudy.
a small craft advisory may be needed. 
.saturday night...w wind 10 to 15 kts. waves 1 to 3 ft. mostly
clear. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrb 172008
nshgrb
expires:202604180400;;540337

nearshore marine forecast
national weather service green bay wi
307 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-180400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
307 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday morning...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
patchy dense fog. a chance of showers and a slight chance of
thunderstorms. 
.tonight...s wind 15 to 25 kts veering w after midnight. gusts to
35 kts. waves 5 to 8 ft subsiding to 4 to 7 ft after midnight.
patchy dense fog. a chance of thunderstorms in the evening. a
chance of showers. 
.saturday...w wind 15 to 25 kts. waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. partly cloudy in the morning then
clearing. 
.saturday night...w wind 15 to 25 kts decreasing to 10 to 15 kts
in the late evening and overnight. waves 1 to 3 ft. mostly clear.
a small craft advisory may be needed. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrr 171818
nshgrr
expires:202604180800;;533699

nearshore marine forecast
national weather service grand rapids mi
218 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
218 pm edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.through early evening...southeast winds 15 to 20 knots. mostly
sunny. waves 1 to 3 feet. 
.tonight...south winds to 30 knots. rain showers and a chance of
thunderstorms. widespread fog after midnight. waves 2 to 4 feet
building to 4 to 6 feet in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.saturday night...west winds around 25 knots. partly cloudy. waves
4 to 6 feet. 
.sunday...west winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.sunday night...north winds 10 to 20 knots veering northeast around
10 knots after midnight. mostly clear. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late evening and overnight. 
.monday...east winds around 10 knots veering south in the late
morning and early afternoon, then veering southwest early in the
afternoon. sunny. waves 1 foot or less. 
.tuesday...south winds to 30 knots veering southwest 20 to 25 knots
early in the afternoon. mostly sunny. waves 6 to 8 feet. 
.wednesday...east winds 10 to 15 knots veering southeast in the late
morning and early afternoon, then veering southwest early in the
afternoon. sunny. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late morning and afternoon. 

$$

fzus53 kgrr 171818
nshgrr
expires:202604180800;;533698

nearshore marine forecast
national weather service grand rapids mi
218 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
218 pm edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.through early evening...south winds 15 to 25 knots. mostly sunny.
waves 2 to 3 feet. 
.tonight...south winds to 30 knots. rain showers and a chance of
thunderstorms. patchy fog after midnight. waves 4 to 6 feet. 
.saturday...west winds to 30 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.sunday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 2 to 3 feet subsiding to 1 to 2 feet
in the late evening and overnight. 
.monday...east winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.
.wednesday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. sunny. waves 2 to 3 feet. 

$$

fzus53 kgrr 171818
nshgrr
expires:202604180800;;533697

nearshore marine forecast
national weather service grand rapids mi
218 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
218 pm edt fri apr 17 2026

...dense fog advisory in effect until 8 pm edt this evening...
...small craft advisory in effect from 8 pm edt this evening through
sunday morning...

.through early evening...south winds 15 to 25 knots. partly sunny.
waves 2 to 3 feet. 
.tonight...south winds to 30 knots. rain showers and a chance of
thunderstorms. patchy fog after midnight. waves 4 to 6 feet. 
.saturday...west winds to 30 knots. partly sunny with a chance of
rain showers. waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...west winds 15 to 25 knots veering northwest early in the
afternoon. mostly sunny. waves 3 to 5 feet. 
.sunday night...north winds 10 to 15 knots veering northeast after
midnight. mostly clear. waves 2 to 3 feet. 
.monday...south winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.
.wednesday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. sunny. waves 1 to 3 feet. 

$$

fzus53 kmkx 172011
nshmkx
expires:202604180900;;540858

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-180900-
sheboygan to port washington wi-
311 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.through early evening...south wind 5 to 10 knots rising to 15 to
25 knots late in the afternoon. partly sunny with chance of
thunderstorms and slight chance of showers. patchy dense fog.
some thunderstorms may be severe with damaging winds, large hail,
and tornadoes. waves 3 to 5 feet. 
.tonight...south wind 15 to 25 knots veering southwest 15 to
20 knots after midnight, then veering west early in the morning.
gusts up to 30 knots. patchy fog through the night. showers and a
chance of thunderstorms through around midnight. rain showers
likely and slight chance of thunderstorms after midnight. waves
5 to 7 feet subsiding to 3 to 4 feet. 
.saturday...northwest wind 15 to 25 knots easing to 10 to
20 knots late in the morning, then backing west in the afternoon.
gusts up to 30 knots. mostly cloudy in the morning then becoming
mostly sunny. waves 3 to 4 feet. 
.saturday night...west wind 15 to 25 knots becoming 15 to
20 knots late in the evening, then easing to 10 to 15 knots after
midnight becoming west 10 to 15 knots early in the morning.
partly cloudy. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late evening and overnight. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves
around 1 foot. 

$$

fzus53 kmkx 172011
nshmkx
expires:202604180900;;540859

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-180900-
port washington to north point light wi-
311 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.through early evening...southeast wind 5 to 15 knots becoming
south 15 to 20 knots late in the afternoon. showers likely and a
chance of thunderstorms. patchy dense fog. some thunderstorms may
be severe with damaging winds, large hail, and tornadoes. waves
3 to 5 feet. 
.tonight...south wind 15 to 20 knots veering west early in the
morning. gusts up to 25 knots. patchy fog until early morning.
showers and a chance of thunderstorms through around midnight.
rain showers likely and a chance of thunderstorms after midnight.
waves 4 to 6 feet subsiding to 3 to 5 feet late in the evening,
then subsiding to 3 to 4 feet after midnight. 
.saturday...northwest wind 15 to 25 knots becoming west 10 to
20 knots in the afternoon. mostly cloudy in the morning then
becoming mostly sunny. waves 2 to 4 feet. 
.saturday night...west wind 15 to 25 knots becoming 15 to
20 knots late in the evening, then becoming west 15 to 20 knots
after midnight easing to 10 to 15 knots early in the morning.
partly cloudy through around midnight then clearing. waves 2 to
4 feet subsiding to 1 to 2 feet in the late evening and
overnight. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves 1 to
2 feet. 

$$