fzus53 kapx 250229
nshapx
expires:202608251030;;311251

nearshore marine forecast
national weather service gaylord mi
1029 pm edt mon aug 24 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.


lmz346-251030-
manistee to point betsie mi-
1029 pm edt mon aug 24 2026

.overnight...light winds. patchy fog through the night. waves
2 feet or less. 
.tuesday...southwest wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.tuesday night...south wind 10 to 20 knots. chance of showers.
waves 2 to 4 feet. 
.wednesday...southwest wind 10 to 15 knots. showers likely and a
chance of thunderstorms. waves 3 to 5 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 250224
nshgrb
expires:202608251000;;311135

nearshore marine forecast
national weather service green bay wi
924 pm cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-251000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
924 pm cdt mon aug 24 2026

.rest of tonight...s wind 5 to 10 kts veering sw after midnight.
waves 2 ft or less. mostly clear. 
.tuesday...s wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. waves 2 ft or less building to 3 to 5 ft in the
afternoon. mostly sunny. a small craft advisory may be needed. 
.tuesday night...s wind 15 to 25 kts veering sw 10 to 15 kts
after midnight. waves 3 to 5 ft. a chance of showers. 
.wednesday...sw wind 10 to 15 kts. waves 3 to 5 ft subsiding to
2 to 4 ft in the afternoon. a chance of thunderstorms. showers
likely in the afternoon. a small craft advisory may be needed.  

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309528

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz845-250800-
south haven to holland mi-
936 pm edt mon aug 24 2026

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

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309527

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz846-250800-
holland to grand haven mi-
936 pm edt mon aug 24 2026

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

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309525

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz848-250800-
whitehall to pentwater mi-
936 pm edt mon aug 24 2026

.through early evening...northwest winds 15 to 20 knots. sunny.
waves 2 to 4 feet. 
.tonight...north winds 10 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...south winds 5 to 15 knots increasing to 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
1 to 3 feet building to 2 to 4 feet after midnight. 
.wednesday...southwest winds 20 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 4 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots veering northwest
in the late evening and overnight. partly cloudy. waves 3 to 5 feet
subsiding to 2 to 4 feet in the late evening and overnight. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 2 to
4 feet. 
.friday...northeast winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 foot or less. 
.saturday...southeast winds 10 to 20 knots veering south early in
the afternoon. partly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309524

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz849-250800-
pentwater to manistee mi-
936 pm edt mon aug 24 2026

.through early evening...northwest winds 10 to 20 knots. sunny.
waves 2 to 4 feet. 
.tonight...north 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 3 feet. 
.tuesday night...south winds 15 to 25 knots. partly cloudy with a
slight chance of rain showers. waves 2 to 4 feet building to 3 to
5 feet after midnight. 
.wednesday...southwest winds 15 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 4 to 6 feet. 
.wednesday night...southwest winds 10 to 20 knots veering northwest
5 to 15 knots in the late evening and overnight. partly cloudy.
waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and
overnight. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 1 to
3 feet. 
.friday...northeast winds 5 to 10 knots backing north 10 to 15 knots
early in the afternoon. sunny. waves around 1 foot. 
.saturday...south winds 10 to 20 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309526

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz847-250800-
grand haven to whitehall mi-
936 pm edt mon aug 24 2026

.through early evening...northwest winds 20 to 25 knots. sunny.
waves 3 to 5 feet. 
.tonight...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 2 feet in the late evening and overnight. 
.tuesday...southeast winds 5 to 15 knots veering south in the late
morning and afternoon. mostly sunny. waves around 1 foot. 
.tuesday night...south winds 10 to 20 knots increasing to 20 to
25 knots after midnight. partly cloudy. waves 1 to 2 feet building
to 2 to 4 feet after midnight. 
.wednesday...southwest winds 20 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 4 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots veering northwest
10 to 15 knots after midnight. partly cloudy. waves 3 to 5 feet
subsiding to 2 to 4 feet in the late evening and overnight. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet. 
.friday...northeast winds around 10 knots backing northwest 10 to
20 knots early in the afternoon. sunny. waves 1 foot or less. 
.saturday...southeast winds 10 to 15 knots veering south early in
the afternoon. partly sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 250136
nshgrr
expires:202608250800;;309529

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz844-250800-
st joseph to south haven mi-
936 pm edt mon aug 24 2026

.through early evening...northwest winds around 15 knots. sunny.
waves 2 to 4 feet. 
.tonight...north winds 5 to 15 knots veering east around 5 knots
after midnight. partly cloudy. waves 2 to 4 feet. 
.tuesday...southeast winds around 5 knots veering west early in the
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
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon. 
.wednesday night...southwest winds 10 to 15 knots veering west after
midnight. partly cloudy with rain showers likely and a chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...northwest winds around 15 knots. sunny. waves 2 to
4 feet. 
.friday...north winds 5 to 10 knots becoming around 10 knots early
in the afternoon. sunny. waves around 1 foot. 
.saturday...southeast winds 5 to 10 knots veering southwest early in
the afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kiwx 250234
nshiwx
expires:202608250815;;311359

nearshore marine forecast
national weather service northern indiana
1034 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz043-250815-
new buffalo mi to st joseph mi-
1034 pm edt mon aug 24 2026

.overnight...northeast winds less than 10 knots. partly
cloudy. waves 1 to 2 feet. 
.tuesday...light and variable winds. mostly sunny. waves 1 foot
or less. 
.tuesday night...light and variable winds becoming south 5 to
10 knots. partly cloudy. waves 1 foot or less. 
.wednesday...south winds 10 to 15 knots becoming southwest.
showers likely with a slight chance of thunderstorms in the
afternoon. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 68 degrees and at michigan
city is 74 degrees.

$$

fzus53 kiwx 250234
nshiwx
expires:202608250815;;311358

nearshore marine forecast
national weather service northern indiana
1034 pm edt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz046-250815-
michigan city in to new buffalo mi-
1034 pm edt mon aug 24 2026

.overnight...northeast winds less than 10 knots. partly
cloudy. waves 1 to 2 feet. 
.tuesday...light and variable winds. mostly sunny. waves 1 foot
or less. 
.tuesday night...southeast winds 10 knots or less becoming south.
partly cloudy. waves 1 foot or less. 
.wednesday...south winds around 10 knots becoming southwest.
showers likely with a slight chance of thunderstorms in the
afternoon. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 68 degrees and at michigan
city is 74 degrees.


$$

fzus53 klot 250147
nshlot
expires:202608250945;;309791

nearshore marine forecast
national weather service chicago/romeoville il
847 pm cdt mon aug 24 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>742-250945-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
847 pm cdt mon aug 24 2026

.rest of tonight...east winds around 10 kt becoming west.
decreasing cloudiness. waves 1 to 3 ft. 
.tuesday...southwest winds around 10 kt becoming southeast in the
afternoon. partly cloudy. waves 1 to 2 ft. 
.tuesday night...south winds 10 to 15 kt becoming southwest.
increasing cloudiness. waves 1 to 2 ft. 
.wednesday...southwest winds 15 to 20 kt. chance of showers and 
thunderstorms mainly in the afternoon. waves 1 to 3 ft. 

$$

fzus53 klot 250147
nshlot
expires:202608250945;;309792

nearshore marine forecast
national weather service chicago/romeoville il
847 pm cdt mon aug 24 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>745-250945-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
847 pm cdt mon aug 24 2026

.rest of tonight...northeast winds around 10 kt becoming south. 
decreasing cloudiness. waves 1 to 3 ft. 
.tuesday...south winds around 10 kt becoming southeast in the 
afternoon. increasing cloudiness. waves 1 to 2 ft. 
.tuesday night...south winds 10 to 15 kt. partly cloudy. waves
1 to 2 ft. 
.wednesday...southwest winds 15 to 20 kt. chance of showers and 
thunderstorms mainly in the afternoon. waves 1 to 3 ft.

$$

fzus53 kmkx 250410
nshmkx
expires:202608251000;;314708

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz643-251000-
sheboygan to port washington wi-
1110 pm cdt mon aug 24 2026

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

.rest of tonight...southwest wind 5 to 10 knots. mostly clear.
waves nearly calm. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots with gusts to around
20 knots early in the afternoon rising to 15 to 20 knots late in
the afternoon. sunny in the morning then becoming partly sunny.
waves around 1 foot building to 2 to 4 feet late in the
afternoon. 
.tuesday night...south wind 15 to 20 knots veering southwest
early in the morning. chance of showers and slight chance of
thunderstorms after midnight. waves 3 to 4 feet. 
.wednesday...southwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then veering west with gusts to
around 20 knots late in the afternoon. chance of showers and
slight chance of thunderstorms. waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon. 

$$

fzus53 kmkx 250410
nshmkx
expires:202608251000;;314709

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz644-251000-
port washington to north point light wi-
1110 pm cdt mon aug 24 2026

.rest of tonight...southwest wind 5 to 10 knots. mostly clear.
waves nearly calm. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots with gusts to around
20 knots in the afternoon. sunny in the morning then becoming
partly sunny. waves around 1 foot. 
.tuesday night...south wind 10 to 20 knots becoming 10 to
15 knots late in the evening, then veering southwest with gusts
to around 20 knots after midnight rising to 15 to 20 knots early
in the morning. chance of showers and slight chance of
thunderstorms after midnight. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.wednesday...southwest wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then veering west early in the
afternoon becoming west 10 to 15 knots late in the afternoon.
chance of showers and slight chance of thunderstorms. waves 1 to
2 feet. 

$$

fzus53 kmkx 250410
nshmkx
expires:202608251000;;314710

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz645-251000-
north point light to wind point wi-
1110 pm cdt mon aug 24 2026

.rest of tonight...southwest wind 5 to 10 knots. mostly clear.
waves nearly calm. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots in the afternoon. sunny in
the morning then becoming partly sunny. waves around 1 foot. 
.tuesday night...south wind 10 to 15 knots veering southwest
after midnight, then rising to 15 to 20 knots early in the
morning. chance of showers and slight chance of thunderstorms
after midnight. waves 1 to 2 feet. 
.wednesday...southwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then veering west late in the
afternoon. chance of showers and slight chance of thunderstorms.
waves 1 to 2 feet. 

$$

fzus53 kmkx 250410
nshmkx
expires:202608251000;;314711

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt mon aug 24 2026

for waters within five nautical miles of shore on lake michigan


lmz646-251000-
wind point wi to winthrop harbor il-
1110 pm cdt mon aug 24 2026

.rest of tonight...south wind 5 knots becoming southwest early in
the morning. mostly clear. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots in the afternoon. mostly
sunny. waves around 1 foot. 
.tuesday night...south wind 10 to 15 knots veering southwest
10 to 20 knots early in the morning. chance of showers and slight
chance of thunderstorms after midnight. waves 1 to 2 feet. 
.wednesday...southwest wind 15 to 20 knots becoming 10 to
20 knots late in the morning, then becoming 10 to 15 knots early
in the afternoon veering west late in the afternoon. chance of
showers in the morning. slight chance of thunderstorms through
the day. showers likely in the afternoon. waves 1 to 2 feet. 

$$