fzus53 kapx 302003
nshapx
expires:202608310415;;624894

nearshore marine forecast
national weather service gaylord mi
403 pm edt sun aug 30 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.


lmz346-310415-
manistee to point betsie mi-
403 pm edt sun aug 30 2026

.tonight...southeast wind 10 to 15 knots becoming south 5 to
10 knots after midnight. isolated showers early in the evening,
then scattered showers and isolated thunderstorms after midnight.
waves 2 to 3 feet. 
.monday...south wind 10 to 15 knots. scattered showers and
isolated thunderstorms. waves 2 to 4 feet. 
.monday night...southwest wind 10 to 15 knots. mostly cloudy.
waves 2 to 4 feet. 
.tuesday...southwest wind 5 to 10 knots. mostly sunny. 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 302004
nshgrb
expires:202608302200;;625015

nearshore marine forecast
national weather service green bay wi
304 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-302200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
304 pm cdt sun aug 30 2026

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

.this afternoon...se wind 10 to 15 kts. waves 2 to 4 ft. isolated
showers. 
.tonight...se wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers and thunderstorms. 
.monday...s wind 10 to 15 kts. waves 3 to 5 ft. patchy fog in the
afternoon. . a small craft advisory may be needed. 
.monday night...sw wind 10 to 15 kts veering nw 5 to 10 kts after
midnight. waves 3 to 5 ft subsiding to 2 to 4 ft after midnight.
patchy fog in the evening. .  

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619021

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz846-310800-
holland to grand haven mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619020

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz847-310800-
grand haven to whitehall mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619019

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz848-310800-
whitehall to pentwater mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619018

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz849-310800-
pentwater to manistee mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619023

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz844-310800-
st joseph to south haven mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 kgrr 301823
nshgrr
expires:202608310800;;619022

nearshore marine forecast
national weather service grand rapids mi
223 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz845-310800-
south haven to holland mi-
223 pm edt sun aug 30 2026

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

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

$$

fzus53 klot 302008
nshlot
expires:202608310315;;625249

nearshore marine forecast
national weather service chicago/romeoville il
308 pm cdt sun aug 30 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>742-310315-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
308 pm cdt sun aug 30 2026

.late this afternoon...southwest winds 10 to 20 kt. numerous 
showers and slight chance of thunderstorms. waves 2 to 4 ft
subsiding to 1 to 3 ft by early evening.
.tonight...south winds 10 to 15 kt becoming southwest late.
numerous showers and slight chance of thunderstorms in the
evening, then slight chance of showers and thunderstorms after
midnight. waves 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt. chance of showers and
slight chance of thunderstorms in the morning, then slight chance
of showers and thunderstorms in the afternoon. waves 1 to 3 ft.
.monday night...southwest winds 10 to 15 kt. slight chance of
showers and thunderstorms overnight. waves 1 to 2 ft. 
.tuesday...southwest winds around 10 kt. slight chance of showers
and thunderstorms in the morning. waves around 1 ft.  

$$

fzus53 klot 302008
nshlot
expires:202608310315;;625250

nearshore marine forecast
national weather service chicago/romeoville il
308 pm cdt sun aug 30 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>745-310315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
308 pm cdt sun aug 30 2026

.late this afternoon...south winds 10 to 20 kt. scattered showers
and slight chance of thunderstorms. waves 1 to 3 ft. 
.tonight...south winds 10 to 15 kt. numerous showers and slight
chance of thunderstorms in the evening. waves 1 to 3 ft.
.monday...southwest winds 10 to 20 kt. slight chance of showers
and thunderstorms. waves 1 to 3 ft. 
.monday night...south winds 10 to 15 kt becoming southwest.
slight chance of showers and thunderstorms overnight. waves 1 to
2 ft. 
.tuesday...southwest winds around 10 kt. partly cloudy. waves
1 to 2 ft.  

$$

fzus53 kmkx 302010
nshmkx
expires:202608310900;;625827

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz643-310900-
sheboygan to port washington wi-
310 pm cdt sun aug 30 2026

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

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

$$

fzus53 kmkx 302010
nshmkx
expires:202608310900;;625828

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz644-310900-
port washington to north point light wi-
310 pm cdt sun aug 30 2026

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

.through early evening...south wind 10 to 15 knots veering
southwest late in the afternoon. numerous showers and
thunderstorms. waves 2 to 4 feet. 
.tonight...south wind 10 to 15 knots easing to 5 to 10 knots late
in the evening, then rising to 10 to 15 knots after midnight
becoming south 10 to 15 knots early in the morning. scattered
showers and thunderstorms through the night. waves 1 to 2 feet. 
.monday...south wind 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon, then easing to
10 to 15 knots late in the afternoon. chance of showers and
thunderstorms in the morning. waves 1 to 2 feet. 
.monday night...southwest wind 10 to 15 knots becoming west 5 to
10 knots after midnight. slight chance of showers and
thunderstorms after midnight. waves around 1 foot. 
.tuesday...west wind 5 to 10 knots backing south in the
afternoon. slight chance of showers and thunderstorms in the
morning. waves around 1 foot. 

$$

fzus53 kmkx 302010
nshmkx
expires:202608310900;;625829

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz645-310900-
north point light to wind point wi-
310 pm cdt sun aug 30 2026

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

.through early evening...south wind 15 to 20 knots becoming
southwest 10 to 15 knots late in the afternoon. numerous showers
and thunderstorms. waves 2 to 4 feet. 
.tonight...south wind 10 to 15 knots. scattered showers and
thunderstorms in the evening. slight chance of showers and
thunderstorms in the late evening and early morning, then chance
of showers and thunderstorms early in the morning. waves 1 to
2 feet. 
.monday...south wind 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon, then easing to
10 to 15 knots late in the afternoon. chance of showers and
thunderstorms in the morning, then slight chance of showers in
the afternoon. waves 1 to 2 feet. 
.monday night...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. slight chance of showers and
thunderstorms after midnight. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
afternoon. slight chance of showers and thunderstorms through the
day. waves around 1 foot. 

$$

fzus53 kmkx 302010
nshmkx
expires:202608310900;;625830

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz646-310900-
wind point wi to winthrop harbor il-
310 pm cdt sun aug 30 2026

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

.through early evening...south wind 10 to 15 knots veering
southwest late in the afternoon. numerous showers and
thunderstorms. waves 2 to 4 feet. 
.tonight...south wind 10 to 15 knots. scattered showers and
thunderstorms in the evening. slight chance of showers and
thunderstorms in the late evening and overnight. waves 1 to
2 feet. 
.monday...south wind 10 to 15 knots veering southwest late in the
morning, then rising to 15 to 20 knots early in the afternoon
easing to 10 to 15 knots late in the afternoon. chance of showers
and thunderstorms in the morning, then slight chance of showers
and thunderstorms in the afternoon. waves 1 to 2 feet. 
.monday night...southwest wind 10 to 15 knots easing to 5 to
10 knots after midnight. slight chance of showers and
thunderstorms. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
afternoon. slight chance of thunderstorms in the morning. slight
chance of showers through the day. waves around 1 foot. 

$$