fzus53 kapx 201843
nshapx
expires:202604210245;;705320

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lsz322-210245-
st. marys river point iroquois to e. potagannissing bay-
243 pm edt mon apr 20 2026

.tonight...south wind 10 to 20 knots. mostly cloudy. 
.tuesday...west wind 5 to 10 knots. sunny.
.tuesday night...north wind 5 to 10 knots. mostly clear. 
.wednesday...light winds. sunny.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705329

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lhz347-210245-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
243 pm edt mon apr 20 2026

.tonight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
3 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 feet or less.
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705330

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lhz348-210245-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
partly cloudy early in the evening then becoming mostly cloudy. 
waves 2 to 4 feet. 
.tuesday...south wind 15 to 20 knots. sunny. waves 2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705331

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lhz349-210245-
sturgeon pt to alabaster mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
partly cloudy early in the evening then becoming mostly cloudy. 
waves 2 to 4 feet. 
.tuesday...southwest wind 10 to 20 knots. mostly sunny. waves
2 to 4 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705327

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lhz345-210245-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 2 feet or less. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 feet or less.
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705323

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz323-210245-
grand traverse bay south of a line grand traverse light to
norwood mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 2 feet or less building to 2 to 3 feet after 
midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705321

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz341-210245-
seul choix point to 5nm west of mackinac bridge-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 15 to 25 knots becoming southwest 10 to
20 knots early in the morning. mostly cloudy early in the evening
then becoming partly cloudy. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 4 to 6 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705322

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz342-210245-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 2 to 3 feet building to 3 to 5 feet after 
midnight. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705324

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz344-210245-
sleeping bear point to grand traverse light mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 2 to 4 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705325

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz345-210245-
point betsie to sleeping bear point mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 2 to 4 feet building to 3 to 5 feet after 
midnight. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 2 to
4 feet. 
.tuesday night...light winds. mostly clear. waves 2 feet or less.
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705326

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lmz346-210245-
manistee to point betsie mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
mostly cloudy. waves 3 to 5 feet. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 3 to
5 feet. 
.tuesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705319

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lsz321-210245-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
243 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening
through tuesday morning...

.tonight...south wind 10 to 20 knots with gusts up to 25 knots. 
slight chance of snow showers early in the evening. waves 2 to 4 
feet. 
.tuesday...northwest wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 201843
nshapx
expires:202604210245;;705328

nearshore marine forecast
national weather service gaylord mi
243 pm edt mon apr 20 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.


lhz346-210245-
st ignace to false detour channel-
243 pm edt mon apr 20 2026

.tonight...south wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...west wind 10 to 15 knots. sunny. waves 2 to 3 feet. 
.tuesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...southeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kdlh 202200
nshdlh
expires:202604210400;;712485

nearshore marine forecast
national weather service duluth mn
500 pm cdt mon apr 20 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.


lsz140-210400-
grand portage to grand marais mn-
500 pm cdt mon apr 20 2026

...small craft advisory in effect until 10 pm cdt this evening...

.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots late in the night. mostly
cloudy early in the evening then clearing. waves 2 to 4 feet. 
.tuesday...west wind 5 to 10 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday night...southwest wind 5 to 10 knots becoming west late
in the evening, then becoming northeast after midnight. mostly
clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdlh 202200
nshdlh
expires:202604210400;;712495

nearshore marine forecast
national weather service duluth mn
500 pm cdt mon apr 20 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.


lsz148-210400-
oak point to saxon harbor wi-
500 pm cdt mon apr 20 2026

...small craft advisory in effect until 8 pm cdt this evening...

.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots late in the night. partly cloudy
in the evening then becoming clear. waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots becoming east late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots becoming south early in
the morning. mostly clear. waves 1 foot or less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 202200
nshdlh
expires:202604210400;;712486

nearshore marine forecast
national weather service duluth mn
500 pm cdt mon apr 20 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.


lsz141-210400-
grand marais to taconite harbor mn-
500 pm cdt mon apr 20 2026

.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots after midnight. mostly
clear. waves 1 to 2 feet. 
.tuesday...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 to 2 feet. 
.tuesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707103

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 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.


lhz443-210400-
port sanilac to port huron mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots this evening, then becoming south 15 to 20 knots after
midnight. gusts to 25 knots. clear in the evening becoming partly
cloudy. waves 1 to 3 feet building to 2 to 4 feet early in the 
morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of showers until late afternoon. 
waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon.
waves occasionally around 7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north after midnight. mostly clear. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707100

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 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.


lhz421-210400-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. mostly clear in the evening becoming mostly cloudy.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming mostly sunny. a chance of sprinkles
until late afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet 
early in the afternoon. waves occasionally around 7 feet. 
.tuesday night...west winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and early morning, then diminishing
to 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

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

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707099

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 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.


lhz422-210400-
inner saginaw bay sw of point au gres to bay port mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. gusts to 25 knots. 
partly cloudy. waves 1 to 3 feet building to 2 to 4 feet early in 
the morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning then clearing. a chance of sprinkles until 
late afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet early 
in the afternoon. 
.tuesday night...west winds 10 to 15 knots veering to the
northeast in the late evening and early morning, then becoming
north 5 to 10 knots after midnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 

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

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707101

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 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.


lhz441-210400-
port austin to harbor beach mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. gusts to 25 knots. 
mostly clear in the evening becoming mostly cloudy. waves 1 to 3 
feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of sprinkles early in the morning,
then a chance of showers in the late morning and early afternoon.
waves 2 to 4 feet. 
.tuesday night...southeast winds 5 to 10 knots backing to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 201937
nshdtx
expires:202604210400;;707102

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
337 pm edt mon apr 20 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.


lhz442-210400-
harbor beach to port sanilac mi-
337 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots after midnight. gusts to 25 knots. mostly clear in the 
evening becoming mostly cloudy. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming partly cloudy. a chance of showers 
until late afternoon. waves 3 to 5 feet. waves occasionally around
7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710033

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz541-210400-
rock island passage to sturgeon bay wi-
355 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
partly sunny. 
.tonight...s wind to 30 kts decreasing to 10 to 20 kts after
midnight. waves 5 to 8 ft. mostly cloudy in the evening then
becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 4 to 7 ft subsiding to 2 to 4 ft in the
afternoon. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710034

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-210400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
355 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...s wind 15 to 25 kts. waves 4 to 7 ft.
partly sunny. 
.tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts after
midnight. waves 4 to 7 ft. mostly cloudy in the evening then
becoming partly cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 3 to 5 ft subsiding to 2 to 4 ft in the
afternoon. sunny.
.tuesday night...ne wind 10 to 15 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e early in the
afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 202056
nshgrb
expires:202604210400;;710032

nearshore marine forecast
national weather service green bay wi
355 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-210400-
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-
355 pm cdt mon apr 20 2026

...small craft advisory in effect until 1 am cdt tuesday...

.late this afternoon...s wind 15 to 25 kts. waves 2 to 4 ft.
partly cloudy. 
.tonight...s wind 15 to 25 kts decreasing to 10 to 15 kts after
midnight. waves 3 to 5 ft subsiding to 1 to 3 ft after midnight.
mostly cloudy in the evening then becoming partly cloudy. 
.tuesday...sw wind 5 to 10 kts backing e early in the afternoon.
waves 2 ft or less. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 ft or less. clear.
.wednesday...ne wind 5 to 10 kts veering se in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrr 201823
nshgrr
expires:202604210800;;702583

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
223 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening through
tuesday afternoon...

.through early evening...southwest winds 10 to 15 knots. sunny.
waves around 1 foot. 
.tonight...south winds to 30 knots. partly cloudy. waves 1 to 2 feet
building to 3 to 5 feet in the late evening and overnight. 
.tuesday...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. sunny. waves 4 to 6 feet. 
.tuesday night...northwest winds 10 to 15 knots veering northeast
5 to 10 knots in the late evening and overnight. mostly clear. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 5 to 7 feet. 
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202604210800;;702581

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
223 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening through
tuesday afternoon...

.through early evening...south winds 10 to 20 knots. sunny. waves
1 to 3 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 4 to
6 feet. 
.tuesday...south winds 15 to 25 knots veering southwest 10 to
15 knots early in the afternoon. sunny. waves 4 to 6 feet. 
.tuesday night...northeast winds 5 to 10 knots. mostly clear. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.wednesday...northeast winds 5 to 10 knots backing north early in
the afternoon. sunny. waves around 1 foot. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 5 to
7 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 201823
nshgrr
expires:202604210800;;702582

nearshore marine forecast
national weather service grand rapids mi
223 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
223 pm edt mon apr 20 2026

...small craft advisory in effect from 8 pm edt this evening through
tuesday afternoon...

.through early evening...south winds 15 to 20 knots. sunny. waves
1 to 2 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 2 to
3 feet building to 3 to 5 feet in the late evening and overnight. 
.tuesday...south winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.tuesday night...north winds 5 to 15 knots veering northeast in the
late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon. 
.friday...south winds to 30 knots decreasing to 15 to 20 knots early
in the afternoon. mostly cloudy with rain showers likely. waves 6 to
8 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kmkx 202210
nshmkx
expires:202604210400;;713269

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-210400-
port washington to north point light wi-
510 pm cdt mon apr 20 2026

.tonight...south wind 15 to 20 knots. partly cloudy. waves 3 to
4 feet. 
.tuesday...southwest wind 10 to 15 knots becoming southeast 5 to
10 knots late in the afternoon. mostly sunny. waves 2 to 4 feet
subsiding to 1 to 2 feet in the afternoon. 
.tuesday night...north wind 5 to 10 knots. partly cloudy. waves
around 1 foot. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 202210
nshmkx
expires:202604210400;;713268

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-210400-
sheboygan to port washington wi-
510 pm cdt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.tonight...south wind 10 to 20 knots becoming 15 to 20 knots in
the late evening and early morning, then becoming south 15 to
20 knots early in the morning. gusts up to 25 knots. partly
cloudy. waves 3 to 5 feet building to 4 to 6 feet in the late
evening and early morning, then subsiding to 3 to 4 feet early in
the morning. 
.tuesday...south wind 10 to 15 knots veering southwest late in
the morning, then becoming south 5 to 10 knots early in the
afternoon backing east late in the afternoon. sunny. waves 3 to
4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northeast wind 5 to 10 knots becoming north
10 to 15 knots after midnight. mostly clear. waves 1 to 2 feet. 
.wednesday...northeast wind 5 to 10 knots veering east late in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710529

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz248-210800-
huron islands to marquette mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.late this afternoon...south wind 10 to 20 knots. partly cloudy.
waves 1 to 2 feet building to 2 to 3 feet. 
.tonight...south wind 15 to 20 knots veering southwest 10 to
20 knots late. gusts up to 27 knots. mostly cloudy through late
evening then clearing. waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north less than
10 knots late. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots increasing to
10 to 15 knots in the afternoon. sunny. waves building to 1 to
2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710530

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz249-210800-
marquette to munising mi-
503 pm edt mon apr 20 2026

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

.late this afternoon...south wind 15 to 20 knots with gusts up to
27 knots. mostly sunny. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 15 to 25 knots veering southwest 10 to
20 knots late. mostly cloudy then becoming partly cloudy by
midnight then becoming clear. waves building to 2 to 4 feet, then
subsiding to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering north 5 to 15 knots
by late morning. sunny. waves 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots in the evening
becoming variable. clear. waves 1 to 2 feet. 
.wednesday...southeast wind less than 10 knots becoming 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710531

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz250-210800-
munising to grand marais mi-
503 pm edt mon apr 20 2026

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

.late this afternoon...south wind 15 to 20 knots with gusts up to
27 knots. mostly sunny. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 15 to 25 knots with gusts up to 33 knots.
mostly cloudy through midnight then clearing. waves building to
2 to 4 feet, then subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest less
than 10 knots late. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...west wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710532

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz251-210800-
grand marais to whitefish point mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday morning...

.late this afternoon...south wind 10 to 20 knots. mostly sunny.
waves calm to 1 foot building to 1 to 2 feet. 
.tonight...south wind 15 to 25 knots with gusts up to 33 knots.
mostly cloudy through midnight then becoming mostly clear. waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet. 
.tuesday...southwest wind 10 to 15 knots veering northwest by
late morning. sunny. waves subsiding to 1 to 2 feet. 
.tuesday night...northwest wind less than 10 knots. clear. waves
1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710528

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz247-210800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
503 pm edt mon apr 20 2026

...small craft advisory in effect from midnight tonight to 3 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots with gusts up to
22 knots. partly cloudy. waves calm to 1 foot building to 1 to
2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...west wind less than 10 knots veering northeast late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710522

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lmz248-250-210800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
503 pm edt mon apr 20 2026

...small craft advisory in effect through tuesday afternoon...

.late this afternoon...south wind 20 to 25 knots. partly cloudy.
waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.
.tonight...south wind 15 to 25 knots with gusts up to 32 knots.
mostly cloudy through midnight then becoming mostly clear. waves
building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...southwest wind 5 to 15 knots veering northwest less
than 10 knots late. gusts up to 22 knots. sunny. waves subsiding
to 2 to 3 feet. 
.tuesday night...north wind less than 10 knots. clear. waves
subsiding to 1 to 2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710523

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz240-210800-
saxon harbor wi to black river mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

...small craft advisory in effect until 9 pm edt /8 pm cdt/ this
evening...

.late this afternoon...southwest wind 10 to 15 knots with gusts
up to 23 knots. mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. clear. waves 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable. sunny. waves calm to 1 foot. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710524

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz241-210800-
black river to ontonagon mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

.late this afternoon...southwest wind 10 to 15 knots. mostly
cloudy. waves calm to 1 foot building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering west late. gusts
up to 22 knots. partly cloudy through late evening then clearing.
waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east in
the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710525

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz242-243-210800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from 11 pm this evening to 4 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots. mostly cloudy.
waves calm to 1 foot. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots backing west late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots becoming
southeast less than 10 knots after midnight. clear. waves calm to
1 foot. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710526

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz244-245-210800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from 11 pm this evening to 4 am
edt tuesday...

.late this afternoon...southeast wind 10 to 15 knots with gusts
up to 22 knots. mostly cloudy. waves 1 to 2 feet building to 2 to
3 feet. 
.tonight...south wind 10 to 20 knots veering west 10 to 15 knots
late. mostly cloudy then becoming partly cloudy by midnight then
becoming clear. waves building to 2 to 4 feet, then subsiding to
2 to 3 feet. 
.tuesday...northwest wind 5 to 15 knots. sunny. waves subsiding
to 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind 5 to 15 knots. sunny. waves building
to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710527

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lsz246-210800-
point isabelle to lower entrance of portage canal mi-
503 pm edt mon apr 20 2026

...small craft advisory in effect from midnight tonight to 3 am
edt tuesday...

.late this afternoon...south wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. mostly cloudy through late evening then clearing. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north by
late morning. sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east 10 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710521

nearshore marine forecast
national weather service marquette mi
503 pm edt mon apr 20 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.


lmz221-210800-
green bay north of line from cedar river mi to rock island
passage-
503 pm edt mon apr 20 2026

...small craft advisory in effect until 5 am edt tuesday...

.late this afternoon...south wind 20 to 25 knots. partly cloudy.
waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.
.tonight...south wind 15 to 25 knots veering southwest 10 to
15 knots late. gusts up to 32 knots. mostly cloudy through
midnight then becoming mostly clear. waves subsiding to 2 to
3 feet. 
.tuesday...southwest wind 5 to 15 knots backing south less than
10 knots by late morning, then backing east late. sunny. waves
subsiding to 1 to 2 feet. 
.tuesday night...north wind less than 10 knots. clear. waves 1 to
2 feet. 
.wednesday...variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. sunny. waves calm to 1 foot.

$$