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 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 kgrr 202303
nshgrr
expires:202604210800;;714899

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

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
703 pm edt mon apr 20 2026

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

.through early evening...southwest winds around 10 knots. mostly
sunny. waves 1 foot or less. 
.tonight...south winds 10 to 20 knots increasing to 20 to 25 knots
after midnight. partly cloudy. waves 1 to 3 feet building to 3 to
5 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.tuesday night...west winds 10 to 15 knots 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. 
.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 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...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714901

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

for waters within five nautical miles of shore on lake michigan


lmz844-210800-
st joseph to south haven mi-
703 pm edt mon apr 20 2026

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

.through early evening...west winds 5 to 10 knots. sunny. waves
1 foot or less. 
.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...west winds 5 to 10 knots. partly cloudy with a
slight chance of showers and thunderstorms. waves 1 to 2 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 around 5 knots veering southeast
5 to 15 knots 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 25 knots. mostly cloudy with rain
showers likely. waves 2 to 3 feet. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714900

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

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
703 pm edt mon apr 20 2026

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

.through early evening...southwest winds 5 to 10 knots. 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. mostly clear. waves 1 to 2 feet
building to 2 to 4 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday night...west winds 10 to 15 knots veering northeast 5 to
10 knots 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. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. partly cloudy. 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. mostly cloudy with rain
showers likely. waves 2 to 4 feet.
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714898

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

for waters within five nautical miles of shore on lake michigan


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

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

.through early evening...southwest winds 10 to 15 knots. mostly
cloudy. waves around 1 foot. 
.tonight...south winds to 30 knots. partly cloudy. waves 1 to 2 feet
building to 4 to 6 feet. 
.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 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. 
.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
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 4 to 6 feet. 
.saturday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714897

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

for waters within five nautical miles of shore on lake michigan


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

...small craft advisory in effect 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 1 to
3 feet building to 4 to 6 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 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 3 to
5 feet. 

$$

fzus53 kgrr 202303
nshgrr
expires:202604210800;;714896

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

for waters within five nautical miles of shore on lake michigan


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

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

.through early evening...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 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
1 to 3 feet.
.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 4 to
6 feet. 
.saturday...northwest winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kiwx 201936
nshiwx
expires:202604210400;;707086

nearshore marine forecast
national weather service northern indiana
336 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-210400-
new buffalo mi to st joseph mi-
336 pm edt mon apr 20 2026

.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. a few gusts up to 25 knots in the afternoon. mostly 
sunny. waves 1 to 3 feet.
.tuesday night...west winds 10 knots or less. a chance of showers
and thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds less than 10 knots. mostly sunny.
waves 1 foot or less. 

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

$$

fzus53 kiwx 201936
nshiwx
expires:202604210400;;707085

nearshore marine forecast
national weather service northern indiana
336 pm edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-210400-
michigan city in to new buffalo mi-
336 pm edt mon apr 20 2026

.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. a few gusts up to 25 knots in the afternoon. mostly 
sunny. waves 1 to 2 feet.
.tuesday night...west winds 10 knots or less. a chance of showers
and thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds less than 10 knots. mostly sunny.
waves 1 foot or less. 

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

$$

fzus53 klot 201941
nshlot
expires:202604210600;;707241

nearshore marine forecast
national weather service chicago/romeoville il
241 pm 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>745-210600-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
241 pm cdt mon apr 20 2026

.tonight...northeast winds 10 to 15 kt early, becoming south and 
increasing to 15 to 25 kt. mostly clear in the evening, then 
becoming partly cloudy. waves 1 to 3 ft. 
.tuesday...south winds 15 to 25 kt becoming southwest. slight
chance of showers and thunderstorms in the afternoon. waves 1 to
3 ft. 
.tuesday night...southwest winds 10 to 15 kt becoming northwest
overnight. chance of showers and thunderstorms in the evening.
waves 1 to 2 ft. 
.wednesday...north winds around 10 kt. partly cloudy. waves
around 1 ft.  

$$

fzus53 klot 201941
nshlot
expires:202604210600;;707240

nearshore marine forecast
national weather service chicago/romeoville il
241 pm 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>742-210600-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
241 pm cdt mon apr 20 2026

.tonight...east winds 10 to 15 kt becoming southeast early this
evening, then becoming south and increasing to 15 to 20 kt. 
partly cloudy in the evening, then becoming mostly cloudy. waves 1
to 3 ft building to 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt. partly cloudy. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.tuesday night...west winds 10 to 15 kt becoming north overnight.
slight chance of showers and thunderstorms in the evening. waves
1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. partly cloudy. waves 1 to 2 ft.  

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717609

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

for waters within five nautical miles of shore on lake michigan


lmz645-210400-
north point light to wind point wi-
710 pm cdt mon apr 20 2026

.tonight...south wind 15 to 20 knots. partly cloudy through
around midnight then becoming mostly cloudy. waves 2 to 4 feet. 
.tuesday...southwest wind 15 to 20 knots easing to 10 to 15 knots
in the late morning and early afternoon, then becoming southwest
10 to 15 knots late in the afternoon. chance of sprinkles in the
afternoon. 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...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717608

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 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-
710 pm cdt mon apr 20 2026

.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
after midnight, then becoming south 10 to 15 knots early in the
morning. partly cloudy through around midnight then becoming
mostly cloudy. waves 3 to 4 feet. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then becoming
southwest 10 to 15 knots early in the afternoon backing south
late in the afternoon. partly sunny. waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon. 
.tuesday night...northeast wind 5 to 10 knots backing north in
the late evening and overnight. 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 210010
nshmkx
expires:202604210400;;717610

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

for waters within five nautical miles of shore on lake michigan


lmz646-210400-
wind point wi to winthrop harbor il-
710 pm cdt mon apr 20 2026

.tonight...southeast wind 10 to 15 knots veering south 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. partly cloudy through around midnight then becoming
mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.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 with gusts to around 20 knots early in
the afternoon becoming southwest 10 to 15 knots late in the
afternoon. chance of sprinkles in the afternoon. waves 2 to
4 feet subsiding to 1 to 2 feet in the afternoon. 
.tuesday night...northwest wind 5 to 10 knots veering north early
in the morning. partly cloudy. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering northeast late in
the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kmkx 210010
nshmkx
expires:202604210400;;717607

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

for waters within five nautical miles of shore on lake michigan


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

...small craft advisory in effect until 7 am cdt tuesday...

.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 with gusts to around
20 knots veering southwest late in the morning, then backing
south early in the afternoon becoming southeast 5 to 10 knots
late in the afternoon. mostly 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. 

$$