fzus53 kapx 201313
nshapx
expires:202604202115;;692384

nearshore marine forecast
national weather service gaylord mi
913 am 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.


lmz346-202115-
manistee to point betsie mi-
913 am edt mon apr 20 2026

.today...southwest wind 10 to 15 knots becoming south early in
the evening. sunny. waves 2 to 3 feet. 
.tonight...south wind 10 to 20 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. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 201711
nshgrb
expires:202604202200;;700188

nearshore marine forecast
national weather service green bay wi
1211 pm cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-202200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1211 pm cdt mon apr 20 2026

...small craft advisory in effect from 4 pm cdt this afternoon
through tuesday afternoon...

.this afternoon...s wind 15 to 25 kts. waves 2 ft or less
building to 4 to 7 ft in the afternoon. mostly sunny late in the
morning then becoming partly cloudy. 
.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...sw wind 10 to 15 kts backing e 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. 

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692566

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-202100-
grand haven to whitehall mi-
923 am edt mon apr 20 2026

.rest of today...south winds 5 to 15 knots. sunny. waves around
1 foot. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 1 to
2 feet building to 3 to 5 feet in the late evening and overnight. 
.tuesday...south winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.tuesday night...southwest winds 10 to 15 knots veering north in the
late evening and early morning, then veering northeast after
midnight. partly cloudy. 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. 
.thursday...south winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots. rain showers likely. waves 5 to
7 feet. 

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692564

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-202100-
pentwater to manistee mi-
923 am edt mon apr 20 2026

.rest of today...southwest 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. mostly sunny. waves 4 to 6 feet. 
.tuesday night...north winds 5 to 10 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 north early in
the afternoon. sunny. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. partly sunny. waves 2 to
4 feet.
.friday...south winds to 30 knots. rain showers likely. waves 5 to
7 feet. 

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692565

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-202100-
whitehall to pentwater mi-
923 am edt mon apr 20 2026

.rest of today...south winds 10 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 decreasing to 10 to 15 knots
early in the afternoon. mostly sunny. waves 4 to 6 feet. 
.tuesday night...northwest winds 5 to 10 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. 
.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. rain showers likely. waves 6 to
8 feet. 

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692569

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-202100-
st joseph to south haven mi-
923 am edt mon apr 20 2026

.rest of today...south winds around 5 knots veering west early in
the afternoon. sunny. waves around 1 foot. 
.tonight...southeast winds 5 to 10 knots veering south 10 to
20 knots in the late evening and overnight. mostly clear. waves 1 to
3 feet. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 
.tuesday night...southwest winds around 10 knots veering north after
midnight. partly cloudy with a slight chance of rain showers. waves
1 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. mostly sunny. waves 1 foot or less. 
.thursday...south winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday...south winds 15 to 25 knots veering southwest early in the
afternoon. rain showers likely. waves 2 to 4 feet.

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692568

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-202100-
south haven to holland mi-
923 am edt mon apr 20 2026

.rest of today...south winds 5 to 10 knots veering southwest early
in the afternoon. sunny. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots increasing to 15 to 25 knots in
the late evening and overnight. partly cloudy. waves 1 to 2 feet
building to 2 to 3 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday night...southwest winds 10 to 15 knots veering west in the
late evening and early morning, then veering northeast after
midnight. partly cloudy. waves 2 to 3 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.thursday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...south winds 15 to 25 knots veering southwest early in the
afternoon. rain showers likely. waves 3 to 5 feet. 

$$

fzus53 kgrr 201323
nshgrr
expires:202604202100;;692567

nearshore marine forecast
national weather service grand rapids mi
923 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-202100-
holland to grand haven mi-
923 am edt mon apr 20 2026

.rest of today...southwest winds 5 to 10 knots. sunny. waves 1 foot
or less. 
.tonight...south winds 10 to 20 knots increasing to 20 to 25 knots
after midnight. partly cloudy. waves 2 to 4 feet.
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday night...southwest winds 10 to 15 knots veering northwest in
the late evening and early morning, then veering northeast after
midnight. partly cloudy. waves 2 to 4 feet subsiding to 1 to 2 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. 
.thursday...south winds 15 to 20 knots. mostly sunny. waves 2 to
3 feet. 
.friday...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. rain showers likely. waves 4 to 6 feet. 

$$

fzus53 kiwx 201318
nshiwx
expires:202604202015;;692476

nearshore marine forecast
national weather service northern indiana
918 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-202015-
new buffalo mi to st joseph mi-
918 am edt mon apr 20 2026

.this afternoon...east winds less than 10 knots. sunny. waves 1 to
2 feet. 
.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. mostly sunny. waves 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots. mostly cloudy in the
evening, then becoming partly cloudy. waves 1 to 2 feet. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 201318
nshiwx
expires:202604202015;;692475

nearshore marine forecast
national weather service northern indiana
918 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-202015-
michigan city in to new buffalo mi-
918 am edt mon apr 20 2026

.this afternoon...east winds less than 10 knots. sunny. waves 1 to
2 feet. 
.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. mostly sunny. waves 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots. mostly cloudy in the
evening, then becoming partly cloudy. waves 2 feet or less. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 201318
nshlot
expires:202604202130;;692480

nearshore marine forecast
national weather service chicago/romeoville il
818 am cdt mon apr 20 2026

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>742-202130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
818 am cdt mon apr 20 2026

.rest of today...southeast winds around 5 kt increasing to 10 to 
15 kt in the afternoon. mostly sunny. waves 1 ft or less, building
to 1 to 3 ft.
.tonight...southeast winds 10 to 15 kt becoming south 15 to 20 kt
overnight. mostly cloudy in the evening, then becoming partly
cloudy. waves 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt. mostly cloudy in the
morning, then becoming partly cloudy. waves 2 to 4 ft subsiding
to 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt becoming northwest
overnight. slight chance of showers and thunderstorms in the
evening. waves 1 to 2 ft.  

$$

fzus53 klot 201318
nshlot
expires:202604202130;;692481

nearshore marine forecast
national weather service chicago/romeoville il
818 am cdt mon apr 20 2026

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>745-202130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
818 am cdt mon apr 20 2026

.rest of today...east winds around 5 kt increasing to 10 to 15 kt
in the afternoon. sunny. waves 1 to 2 ft. 
.tonight...southeast winds 10 to 15 kt becoming south and
increasing to 15 to 25 kt overnight. partly cloudy. waves 1 to
3 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 20 to 25 kt.
a small craft advisory may be needed. partly cloudy. waves 1 to 3
ft.
.tuesday night...southwest winds 15 to 20 kt diminishing to 10 to
15 kt and becoming west. chance of showers and thunderstorms in 
the evening. waves 1 to 2 ft. 

$$

fzus53 kmkx 201610
nshmkx
expires:202604202200;;697662

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-202200-
sheboygan to port washington wi-
1110 am cdt mon apr 20 2026

...small craft advisory in effect from 4 pm cdt this afternoon
through tuesday morning...

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

$$

fzus53 kmkx 201610
nshmkx
expires:202604202200;;697663

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-202200-
port washington to north point light wi-
1110 am cdt mon apr 20 2026

.rest of today...southeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. mostly sunny. waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. 
.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
early in the morning. mostly cloudy. waves 3 to 4 feet. 
.tuesday...south wind 10 to 15 knots veering southwest late in
the morning, then becoming southwest 10 to 15 knots early in the
afternoon backing southeast late in the afternoon. partly sunny.
waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning
and afternoon. 
.tuesday night...east wind 5 to 10 knots backing north after
midnight. partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 201610
nshmkx
expires:202604202200;;697664

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-202200-
north point light to wind point wi-
1110 am cdt mon apr 20 2026

.rest of today...southeast wind 10 to 15 knots. gusts up to
20 knots late in the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...south wind 15 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...southwest wind 10 to 20 knots becoming 10 to 15 knots
in the late morning and early afternoon, then backing south late
in the afternoon. partly sunny. waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon. 
.tuesday night...southwest wind 5 to 10 knots veering northwest
late in the evening, then veering north after midnight becoming
north 5 to 10 knots early in the morning. partly cloudy. waves
around 1 foot. 

$$

fzus53 kmkx 201610
nshmkx
expires:202604202200;;697665

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-202200-
wind point wi to winthrop harbor il-
1110 am cdt mon apr 20 2026

.rest of today...southeast wind 10 to 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...southeast wind 10 to 15 knots veering south with gusts
to around 20 knots late in the evening, then becoming south 10 to
15 knots with gusts to around 20 knots after midnight rising to
15 to 20 knots early in the morning. mostly cloudy. waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.tuesday...southwest wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots late in the morning, then becoming
southwest 10 to 15 knots in the afternoon. partly sunny. waves
2 to 4 feet subsiding to 1 to 2 feet in the late morning and
afternoon. 
.tuesday night...southwest wind 5 to 10 knots veering north early
in the morning. partly cloudy. waves around 1 foot. 

$$