fzus53 kapx 211419
nshapx
expires:202604212230;;747774

nearshore marine forecast
national weather service gaylord mi
1019 am edt tue apr 21 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.


lmz346-212230-
manistee to point betsie mi-
1019 am edt tue apr 21 2026

.today...southwest wind 10 to 15 knots becoming west 5 to
10 knots early in the evening. sunny. waves 2 to 4 feet. 
.tonight...northeast wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 211455
nshgrb
expires:202604212200;;748256

nearshore marine forecast
national weather service green bay wi
955 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-212200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
955 am cdt tue apr 21 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.this afternoon...s wind 10 to 15 kts backing se 5 to 10 kts
early in the afternoon. waves 3 to 5 ft. sunny.
.tonight...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.
.wednesday night...se wind 10 to 15 kts. waves 2 ft or less.
mostly clear.  

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746894

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-212100-
south haven to holland mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

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

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746893

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-212100-
holland to grand haven mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...southwest winds 15 to 25 knots. rain showers likely
and a slight chance of thunderstorms in the afternoon. waves 4 to
6 feet. 
.tonight...south winds 5 to 15 knots backing 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 west 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 1 foot or less. 
.thursday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...south winds 15 to 20 knots. mostly cloudy with rain
showers likely. waves 2 to 4 feet. 
.saturday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746892

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-212100-
grand haven to whitehall mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...south winds 15 to 25 knots. rain showers likely in
the afternoon. waves 4 to 6 feet. 
.tonight...south winds 5 to 10 knots veering north in the late
evening and early morning, then veering northeast after midnight.
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 1 to
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 3 to 5 feet. 
.saturday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet.

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746890

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-212100-
pentwater to manistee mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...south winds 15 to 25 knots. sunny. waves 3 to
5 feet. 
.tonight...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 north early in
the afternoon. sunny. waves around 1 foot. 
.wednesday night...northeast 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 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 2 to 4 feet. 
.saturday...north winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746891

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-212100-
whitehall to pentwater mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...south winds 15 to 25 knots. mostly sunny. waves
4 to 6 feet. 
.tonight...south winds 5 to 10 knots backing 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 around 1 foot. 
.wednesday night...northeast winds 5 to 15 knots veering southeast
in the late evening and overnight. mostly clear. waves around
1 foot. 
.thursday...south winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet.
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 3 to 5 feet. 
.saturday...north winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 211358
nshgrr
expires:202604212100;;746895

nearshore marine forecast
national weather service grand rapids mi
958 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-212100-
st joseph to south haven mi-
958 am edt tue apr 21 2026

...small craft advisory in effect until 5 pm edt this afternoon...

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

$$

fzus53 kiwx 211430
nshiwx
expires:202604212015;;747877

nearshore marine forecast
national weather service northern indiana
1030 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-212015-
new buffalo mi to st joseph mi-
1030 am edt tue apr 21 2026

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

.this afternoon...south winds 10 to 15 knots becoming southwest.
gusts up to 25 knots. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 3 feet. 
.tonight...southwest winds 10 knots or less becoming north. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 
.wednesday...northeast winds less than 10 knots becoming
northwest. patchy fog in the morning. waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
south. partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

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

$$

fzus53 kiwx 211430
nshiwx
expires:202604212015;;747876

nearshore marine forecast
national weather service northern indiana
1030 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-212015-
michigan city in to new buffalo mi-
1030 am edt tue apr 21 2026

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

.this afternoon...southwest winds 10 to 15 knots. gusts up to
25 knots. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms in the evening, then a slight chance
of showers overnight. waves 2 feet or less. 
.wednesday...northeast winds less than 10 knots. patchy fog in
the morning. waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
south. partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

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

$$

fzus53 klot 211413
nshlot
expires:202604212115;;747678

nearshore marine forecast
national weather service chicago/romeoville il
913 am cdt tue apr 21 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.


lmz740-212115-
winthrop harbor to wilmette harbor il-
913 am cdt tue apr 21 2026

.rest of today...south winds 15 to 25 kt becoming southwest in 
the afternoon. chance of showers and thunderstorms in the 
afternoon. waves 2 to 4 ft.
.tonight...west winds 10 to 15 kt becoming north overnight.
patchy fog in the evening, then areas of fog overnight. waves
1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. areas of fog in the morning, then patchy fog in the
afternoon. waves 1 to 2 ft. 
.wednesday night...southeast winds around 10 kt becoming south
overnight. partly cloudy. waves 1 to 2 ft.  

$$

fzus53 klot 211413
nshlot
expires:202604212115;;747679

nearshore marine forecast
national weather service chicago/romeoville il
913 am cdt tue apr 21 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.


lmz741-742-212115-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
913 am cdt tue apr 21 2026

...small craft advisory in effect until 4 pm cdt this afternoon...

.rest of today...south winds 15 to 20 kt becoming southwest and 
increasing to 20 to 25 kt, then diminishing to 15 to 20 kt late in
the afternoon. chance of showers and thunderstorms in the 
afternoon. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt becoming northwest
overnight. slight chance of showers and thunderstorms in the
evening. patchy fog in the evening, then areas of fog overnight.
waves 1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. areas of fog in the morning, then patchy fog in the
afternoon. waves 1 to 2 ft. 
.wednesday night...southeast winds around 10 kt becoming south
overnight. mostly cloudy in the evening, then becoming partly
cloudy. waves 1 to 2 ft.  

$$

fzus53 klot 211413
nshlot
expires:202604212115;;747680

nearshore marine forecast
national weather service chicago/romeoville il
913 am cdt tue apr 21 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>745-212115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
913 am cdt tue apr 21 2026

...small craft advisory in effect until 7 pm cdt this evening...

.rest of today...south winds 15 to 25 kt becoming southwest and 
increasing to 20 to 25 kt. chance of showers and thunderstorms in 
the afternoon. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 20 kt becoming northwest 
overnight. chance of showers and thunderstorms in the evening. 
areas of fog overnight. waves 1 to 3 ft subsiding to around 1 ft.
.wednesday...north winds around 10 kt. areas of fog in the
morning. waves around 1 ft. 
.wednesday night...east winds around 10 kt becoming south
overnight. partly cloudy. waves around 1 ft.  

$$

fzus53 kmkx 211610
nshmkx
expires:202604212200;;750907

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-212200-
sheboygan to port washington wi-
1110 am cdt tue apr 21 2026

.rest of today...south wind 10 to 15 knots becoming southeast
5 to 10 knots late in the afternoon. numerous showers early in
the afternoon. waves 2 to 4 feet. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then rising to 10 to 15 knots after midnight easing to
5 to 10 knots early in the morning. mostly clear. waves 1 to
2 feet. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves 1 to 2 feet. 
.wednesday night...southeast wind 5 to 10 knots veering south
after midnight, then rising to 10 to 15 knots early in the
morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 211610
nshmkx
expires:202604212200;;750908

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-212200-
port washington to north point light wi-
1110 am cdt tue apr 21 2026

.rest of today...southwest wind 10 to 15 knots backing south late
in the afternoon. numerous showers and scattered thunderstorms
early in the afternoon. waves 1 to 2 feet. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming north 5 to 10 knots after midnight. mostly
clear. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 
.wednesday night...southeast wind 5 to 10 knots veering south
after midnight. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 211610
nshmkx
expires:202604212200;;750909

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-212200-
north point light to wind point wi-
1110 am cdt tue apr 21 2026

.rest of today...southwest wind 10 to 15 knots. scattered showers
and thunderstorms early in the afternoon. waves 1 to 2 feet. 
.tonight...west wind 5 to 10 knots veering north early in the
morning. mostly clear. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 
.wednesday night...southeast wind 5 to 10 knots veering south
early in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 211610
nshmkx
expires:202604212200;;750910

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-212200-
wind point wi to winthrop harbor il-
1110 am cdt tue apr 21 2026

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming southwest 10 to 15 knots late in the
afternoon. numerous showers and scattered thunderstorms early in
the afternoon. scattered showers and isolated thunderstorms late
in the afternoon. waves 1 to 2 feet. 
.tonight...southwest wind 5 to 10 knots veering north early in
the morning. patchy fog after midnight. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. waves around 1 foot. 
.wednesday night...southeast wind 5 to 10 knots veering south
early in the morning. partly cloudy. waves around 1 foot. 

$$