fzus53 kapx 311915
nshapx
expires:202609010315;;680243

nearshore marine forecast
national weather service gaylord mi
315 pm edt mon aug 31 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.


lmz346-010315-
manistee to point betsie mi-
315 pm edt mon aug 31 2026

...small craft advisory in effect until 11 pm edt this evening...

.tonight...southwest wind 10 to 15 knots with gusts to 25 knots early
in the evening becoming variable 10 knots or less. isolated 
showers and thunderstorms early in the evening. patchy fog after 
midnight. waves 2 to 3 feet subsiding to 2 feet or less after 
midnight. 
.tuesday...southwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.tuesday night...southwest wind 5 to 10 knots. scattered showers
and thunderstorms. waves 2 feet or less. 
.wednesday...light winds. scattered showers. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 311956
nshgrb
expires:202608312200;;680977

nearshore marine forecast
national weather service green bay wi
256 pm cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-312200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
256 pm cdt mon aug 31 2026

.this afternoon...s wind 10 to 15 kts. waves 2 to 4 ft. partly
sunny. 
.tonight...s wind 5 to 10 kts veering nw after midnight. waves
2 to 4 ft. a chance of showers and a slight chance of
thunderstorms in the evening. patchy dense fog after midnight. 
.tuesday...s wind 10 to 15 kts. waves 1 to 3 ft. patchy dense fog
in the morning. 
.tuesday night...sw wind 5 to 10 kts veering w after midnight.
waves 2 ft or less. a chance of showers and thunderstorms after
midnight.  

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677272

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz844-010800-
st joseph to south haven mi-
231 pm edt mon aug 31 2026

.through early evening...south winds 15 to 20 knots. mostly sunny
with a chance of rain showers and a slight chance of thunderstorms.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. partly cloudy. a slight
chance of rain showers in the evening. waves 1 to 3 feet. 
.tuesday...southwest winds around 10 knots. mostly sunny with a
slight chance of showers and thunderstorms. waves around 1 foot. 
.tuesday night...southwest winds 5 to 15 knots. partly cloudy with a
slight chance of rain showers. waves 1 foot or less. 
.wednesday...southwest winds 10 to 15 knots. sunny. waves 1 foot or
less. 
.wednesday night...southwest winds 10 to 15 knots. partly cloudy.
waves around 1 foot. 
.thursday...west winds around 10 knots veering northwest early in
the afternoon. partly sunny. waves around 1 foot. 
.friday...northeast winds around 10 knots backing northwest early in
the afternoon. partly sunny with a chance of showers and
thunderstorms. waves less than 1 foot. 
.saturday...east winds around 10 knots backing northeast early in
the afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677271

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz845-010800-
south haven to holland mi-
231 pm edt mon aug 31 2026

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

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677270

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz846-010800-
holland to grand haven mi-
231 pm edt mon aug 31 2026

...small craft advisory in effect until 11 pm edt this evening...

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

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677268

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz848-010800-
whitehall to pentwater mi-
231 pm edt mon aug 31 2026

...small craft advisory in effect until 11 pm edt this evening...

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

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677269

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz847-010800-
grand haven to whitehall mi-
231 pm edt mon aug 31 2026

...small craft advisory in effect until 11 pm edt this evening...

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

$$

fzus53 kgrr 311831
nshgrr
expires:202609010800;;677267

nearshore marine forecast
national weather service grand rapids mi
231 pm edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz849-010800-
pentwater to manistee mi-
231 pm edt mon aug 31 2026

...small craft advisory in effect until 11 pm edt this evening...

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

$$

fzus53 klot 311956
nshlot
expires:202609010330;;680991

nearshore marine forecast
national weather service chicago/romeoville il
256 pm cdt mon aug 31 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>745-010330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
256 pm cdt mon aug 31 2026

.late this afternoon...southwest winds 15 to 20 kt. scattered
showers and isolated thunderstorms. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt diminishing to 5 to 10 kt.
isolated showers in the evening. waves 1 to 2 ft. 
.tuesday...southwest winds 5 to 10 kt increasing to 10 to 20 kt. 
partly cloudy. waves 1 to 2 ft. 
.tuesday night...southwest winds around 10 kt. partly cloudy in 
the evening then clearing. waves around 1 ft. 
.wednesday...southwest winds 10 to 20 kt. mostly sunny. waves
1 to 2 ft.  

$$

fzus53 klot 311956
nshlot
expires:202609010330;;680990

nearshore marine forecast
national weather service chicago/romeoville il
256 pm cdt mon aug 31 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>742-010330-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
256 pm cdt mon aug 31 2026

.late this afternoon...southwest winds 15 to 25 kt. scattered
showers and isolated thunderstorms. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt diminishing to 5 to 10 kt.
scattered showers and slight chance of thunderstorms in the 
evening, then isolated showers after midnight. waves 1 to 2 ft. 
.tuesday...southwest winds 5 to 10 kt increasing to 10 to 20 kt. 
chance of showers and thunderstorms in the afternoon. waves 
around 1 ft.
.tuesday night...southwest winds around 10 kt. mostly cloudy in 
the evening then clearing. waves around 1 ft. 
.wednesday...southwest winds 10 to 20 kt. partly cloudy to mostly
sunny. waves 1 to 2 ft. 

$$

fzus53 kmkx 311810
nshmkx
expires:202608312200;;675257

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz645-312200-
north point light to wind point wi-
110 pm cdt mon aug 31 2026

.rest of today...southwest wind 15 to 20 knots becoming 10 to
20 knots late in the afternoon. chance of showers and slight
chance of thunderstorms. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight veering west early in the morning. mostly cloudy through
around midnight then becoming partly cloudy. waves around 1 foot.
.tuesday...west wind 5 to 10 knots backing southwest late in the
morning, then backing south early in the afternoon becoming south
5 to 10 knots late in the afternoon. patchy fog in the morning.
waves around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. mostly cloudy
through around midnight then becoming partly cloudy. waves around
1 foot. 

$$

fzus53 kmkx 311810
nshmkx
expires:202608312200;;675256

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz644-312200-
port washington to north point light wi-
110 pm cdt mon aug 31 2026

.rest of today...southwest wind 15 to 20 knots easing to 10 to
15 knots late in the afternoon. slight chance of showers and
thunderstorms. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight veering west early in the morning. mostly cloudy through
around midnight then becoming partly cloudy. waves around 1 foot.
.tuesday...west wind 5 to 10 knots backing southwest late in the
morning, then backing southeast early in the afternoon veering
south late in the afternoon. patchy fog in the morning. waves
around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. mostly cloudy
through around midnight then becoming partly cloudy. waves around
1 foot. 

$$

fzus53 kmkx 311810
nshmkx
expires:202608312200;;675255

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz643-312200-
sheboygan to port washington wi-
110 pm cdt mon aug 31 2026

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

$$

fzus53 kmkx 311810
nshmkx
expires:202608312200;;675258

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz646-312200-
wind point wi to winthrop harbor il-
110 pm cdt mon aug 31 2026

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

$$