fzus53 kapx 240251
nshapx
expires:202608241100;;256837

nearshore marine forecast
national weather service gaylord mi
1051 pm edt sun aug 23 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.


lmz346-241100-
manistee to point betsie mi-
1051 pm edt sun aug 23 2026

...small craft advisory in effect until 1 am edt monday...

.overnight...northwest wind 15 to 25 knots. mostly clear. waves 3
to 5 feet. 
.monday...northwest wind 10 to 15 knots. sunny. waves 2 to
4 feet. 
.monday night...light winds. mostly clear. waves 2 feet or less. 
.tuesday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 240656
nshgrb
expires:202608241000;;267432

nearshore marine forecast
national weather service green bay wi
156 am cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-241000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 am cdt mon aug 24 2026

.rest of the night...nw wind 10 to 15 kts. waves 1 to 3 ft.
clear.
.monday...nw wind 10 to 15 kts veering n 5 to 10 kts early in the
afternoon. waves 2 ft or less. mostly sunny. 
.monday night...se wind 5 to 10 kts veering sw after midnight.
waves 2 ft or less. partly cloudy. 
.tuesday...s wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. waves 2 ft or less building to 2 to 4 ft in the
afternoon. partly sunny. a small craft advisory may be needed.  

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264266

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz849-240800-
pentwater to manistee mi-
223 am edt mon aug 24 2026

.rest of tonight...northwest winds 15 to 20 knots. mostly clear.
waves 3 to 5 feet. 
.monday...northwest winds 10 to 20 knots. sunny. waves 3 to 5 feet. 
.monday night...northwest winds 5 to 15 knots veering northeast
around 5 knots in the late evening and early morning, then veering
southeast after midnight. partly cloudy. waves 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots veering southwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tuesday night...south winds 15 to 25 knots. partly cloudy. waves
2 to 4 feet building to 3 to 5 feet after midnight. 
.wednesday...southwest winds 15 to 25 knots. mostly sunny with a
chance of rain showers. waves 5 to 7 feet. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 2 to
4 feet. 
.friday...north winds 5 to 15 knots backing northwest early in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264267

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz848-240800-
whitehall to pentwater mi-
223 am edt mon aug 24 2026

.rest of tonight...northwest winds 15 to 20 knots. mostly clear.
waves 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots. sunny. waves 2 to 4 feet. 
.monday night...northwest winds 5 to 15 knots veering northeast in
the late evening and early morning, then veering southeast after
midnight. partly cloudy. waves 1 to 3 feet. 
.tuesday...southeast winds 5 to 10 knots veering southwest 10 to
20 knots in the late morning and afternoon. mostly sunny. waves 1 to
2 feet. 
.tuesday night...south winds 15 to 25 knots. partly cloudy. waves
1 to 3 feet building to 3 to 5 feet after midnight. 
.wednesday...southwest winds 20 to 25 knots. mostly sunny with a
chance of rain showers. waves 5 to 7 feet. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet. 
.friday...northeast winds around 10 knots backing north in the late
morning and afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264268

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz847-240800-
grand haven to whitehall mi-
223 am edt mon aug 24 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.monday...northwest winds 15 to 20 knots. sunny. waves 2 to 4 feet
building to 3 to 5 feet in the late morning and afternoon. 
.monday night...north winds 5 to 15 knots veering northeast around
5 knots after midnight. partly cloudy. waves 2 to 4 feet subsiding
to 1 to 2 feet in the late evening and overnight. 
.tuesday...southeast winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. mostly sunny. waves
around 1 foot. 
.tuesday night...south winds 15 to 25 knots. partly cloudy. waves
1 to 3 feet building to 3 to 5 feet after midnight. 
.wednesday...southwest winds 20 to 25 knots. mostly sunny with a
chance of rain showers. waves 5 to 7 feet. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 3 to
5 feet. 
.friday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264270

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz845-240800-
south haven to holland mi-
223 am edt mon aug 24 2026

.rest of tonight...north winds 5 to 10 knots. mostly clear. waves
1 to 3 feet. 
.monday...northwest winds 10 to 15 knots. sunny. waves 1 to 2 feet
building to 2 to 4 feet in the late morning and afternoon. 
.monday night...north winds 5 to 15 knots veering northeast around
5 knots after midnight. mostly clear. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight. 
.tuesday...southeast winds around 5 knots veering southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.tuesday night...south winds 10 to 20 knots. partly cloudy. waves
1 to 2 feet. 
.wednesday...southwest winds 15 to 20 knots. partly sunny. waves
3 to 5 feet. 
.thursday...northwest winds around 15 knots. sunny. waves 2 to
4 feet. 
.friday...northeast winds 5 to 10 knots backing northwest in the
late morning and afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264269

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz846-240800-
holland to grand haven mi-
223 am edt mon aug 24 2026

.rest of tonight...northwest winds around 10 knots. mostly clear.
waves 1 to 2 feet. 
.monday...northwest winds 10 to 20 knots. sunny. waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon. 
.monday night...northwest winds 10 to 20 knots veering north 5 to
10 knots 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. 
.tuesday...southeast winds 5 to 15 knots veering southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.tuesday night...south winds 10 to 20 knots. partly cloudy. waves
2 to 4 feet. 
.wednesday...southwest winds 20 to 25 knots. partly sunny with a
chance of rain showers. waves 4 to 6 feet. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 3 to
5 feet. 
.friday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 240623
nshgrr
expires:202608240800;;264271

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz844-240800-
st joseph to south haven mi-
223 am edt mon aug 24 2026

.rest of tonight...north winds 5 to 10 knots. mostly clear. waves
1 to 3 feet. 
.monday...northwest winds 5 to 15 knots. sunny. waves 2 to 4 feet. 
.monday night...north winds 5 to 15 knots backing west around
5 knots after midnight. mostly clear. waves 2 to 4 feet. 
.tuesday...south winds around 5 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 
.tuesday night...south winds 5 to 15 knots. partly cloudy. waves
around 1 foot. 
.wednesday...southwest winds 15 to 20 knots. mostly sunny. waves
2 to 4 feet. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 2 to
4 feet. 
.friday...north winds 5 to 10 knots backing northwest early in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kiwx 240247
nshiwx
expires:202608240830;;256781

nearshore marine forecast
national weather service northern indiana
1047 pm edt sun aug 23 2026

for waters within five nautical miles of shore on lake michigan


lmz043-240830-
new buffalo mi to st joseph mi-
1047 pm edt sun aug 23 2026

.overnight...north winds 10 knots or less. partly cloudy.
waves 2 to 3 feet. 
.monday...northwest winds 10 knots or less. sunny. waves around
2 feet. 
.monday night...north winds 5 to 10 knots becoming light and
variable. mostly clear. waves 1 to 2 feet. 
.tuesday...light and variable winds. sunny. waves 1 foot or less.

the water temperature at michigan city is 73 degrees.

$$

fzus53 kiwx 240247
nshiwx
expires:202608240830;;256780

nearshore marine forecast
national weather service northern indiana
1047 pm edt sun aug 23 2026

for waters within five nautical miles of shore on lake michigan


lmz046-240830-
michigan city in to new buffalo mi-
1047 pm edt sun aug 23 2026

.overnight...north winds 5 to 10 knots becoming northwest.
partly cloudy. waves 2 to 3 feet. 
.monday...northwest winds 10 knots or less becoming north. sunny.
waves around 2 feet. 
.monday night...north winds 5 to 10 knots becoming light and
variable. mostly clear. waves 1 to 2 feet. 
.tuesday...light and variable winds. sunny. waves 1 foot or less.

the water temperature at michigan city is 73 degrees.

$$

fzus53 klot 240242
nshlot
expires:202608240930;;256669

nearshore marine forecast
national weather service chicago/romeoville il
942 pm cdt sun aug 23 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>745-240930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
942 pm cdt sun aug 23 2026

.rest of tonight...northwest winds 5 to 10 kt. mostly clear. 
waves 2 to 4 ft. 
.monday...northwest winds 10 to 15 kt becoming north in the
afternoon. increasing cloudiness. waves 1 to 3 ft. 
.monday night...east winds around 10 kt becoming southwest less
than 10 kt overnight. decreasing cloudiness. waves 1 to 2 ft. 
.tuesday...south winds less than 10 kt becoming southeast 10 to 15
kt in the afternoon. mostly sunny. waves around 1 ft. 

$$

fzus53 klot 240242
nshlot
expires:202608240930;;256668

nearshore marine forecast
national weather service chicago/romeoville il
942 pm cdt sun aug 23 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>742-240930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
942 pm cdt sun aug 23 2026

.rest of tonight...northwest winds 10 to 15 kt diminishing to 5 to
10 kt. mostly clear. waves 1 to 3 ft. 
.monday...northwest winds 10 to 15 kt becoming northeast in the
afternoon. increasing cloudiness. waves 1 to 2 ft. 
.monday night...east winds around 10 kt becoming southwest less
than 10 kt overnight. decreasing cloudiness. waves 1 to 2 ft. 
.tuesday...southwest winds less than 10 kt becoming southeast
10 to 15 kt in the afternoon. increasing cloudiness. waves 1 to 2
ft.


$$

fzus53 kmkx 240610
nshmkx
expires:202608240900;;263555

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz646-240900-
wind point wi to winthrop harbor il-
110 am cdt mon aug 24 2026

.rest of tonight...northwest wind 5 to 10 knots. clear. waves
1 to 2 feet. 
.monday...northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming north 5 to 10 knots early in
the afternoon veering northeast late in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.monday night...east wind 5 to 10 knots becoming southwest late
in the evening, then rising to 5 to 10 knots after midnight.
mostly clear. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots becoming south 10 to
15 knots in the afternoon. partly sunny. waves around 1 foot. 

$$

fzus53 kmkx 240610
nshmkx
expires:202608240900;;263554

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz645-240900-
north point light to wind point wi-
110 am cdt mon aug 24 2026

.rest of tonight...north wind 5 to 10 knots backing northwest
early in the morning. clear. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming north 5 to 10 knots in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.monday night...east wind 5 to 10 knots veering southwest late in
the evening, then becoming southwest 5 to 10 knots after
midnight. mostly clear. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots in the afternoon. partly
sunny. waves around 1 foot. 

$$

fzus53 kmkx 240610
nshmkx
expires:202608240900;;263553

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz644-240900-
port washington to north point light wi-
110 am cdt mon aug 24 2026

.rest of tonight...north wind 5 to 10 knots backing northwest
early in the morning. clear. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering north late in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.monday night...southwest wind 5 to 10 knots. mostly clear. waves
around 1 foot. 
.tuesday...southwest wind 5 to 10 knots becoming south 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. partly sunny. waves around 1 foot. 

$$

fzus53 kmkx 240610
nshmkx
expires:202608240900;;263552

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz643-240900-
sheboygan to port washington wi-
110 am cdt mon aug 24 2026

.rest of tonight...north wind 10 to 15 knots backing northwest
early in the morning. clear. waves 1 to 2 feet. 
.monday...northwest wind 10 to 15 knots easing to 5 to 10 knots
early in the afternoon, then veering north late in the afternoon.
mostly sunny. waves around 1 foot. 
.monday night...south wind 5 to 10 knots veering west after
midnight. partly cloudy. waves nearly calm. 
.tuesday...southwest wind 5 to 10 knots becoming south 10 to
20 knots early in the afternoon, then becoming 15 to 20 knots
with gusts to around 25 knots late in the afternoon. mostly
sunny. waves around 1 foot building to 2 to 4 feet late in the
afternoon. 

$$