fzus53 kapx 310225
nshapx
expires:202608311030;;640299

nearshore marine forecast
national weather service gaylord mi
1025 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.


lmz346-311030-
manistee to point betsie mi-
1025 pm edt sun aug 30 2026

.overnight...southeast wind 5 to 10 knots becoming south after
midnight. isolated showers early in the evening, then numerous
showers and scattered 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 310358
nshgrb
expires:202608311000;;643114

nearshore marine forecast
national weather service green bay wi
1058 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-311000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1058 pm cdt sun aug 30 2026

.rest of tonight...e wind 5 to 10 kts veering se 10 to 15 kts in
the late evening and overnight. waves 2 to 4 ft. a chance of
showers and thunderstorms. 
.monday...s wind 10 to 15 kts. waves 3 to 5 ft. a slight chance
of showers and thunderstorms in the morning. patchy fog in the
afternoon. a small craft advisory may be needed. 
.monday night...sw wind 5 to 10 kts veering nw in the late
evening and overnight. waves 3 to 5 ft subsiding to 2 to 4 ft
after midnight. patchy fog in the evening. . 
.tuesday...w wind around 5 kts backing s 10 to 15 kts in the late
morning and afternoon. waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrr 310258
nshgrr
expires:202608310900;;640996

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz845-310900-
south haven to holland mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet. 
.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
building to 3 to 5 feet in the late morning and afternoon. 
.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
3 feet. 
.tuesday night...southwest winds 5 to 15 knots. partly cloudy. waves
around 1 foot. 
.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 around 1 foot. 
.friday...east winds around 10 knots backing northwest early in the
afternoon. partly sunny with a chance of showers and thunderstorms.
waves less than 1 foot. 

$$

fzus53 kgrr 310258
nshgrr
expires:202608310900;;640995

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz846-310900-
holland to grand haven mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 15 to 20 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 2 to 4 feet. 
.monday...south winds 15 to 25 knots. mostly cloudy 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 showers and thunderstorms. waves 2 to 4 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 around 10 knots. mostly sunny. waves
around 1 foot. 
.thursday...northeast winds around 10 knots backing northwest in the
late morning and afternoon. partly sunny. waves around 1 foot. 
.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 310258
nshgrr
expires:202608310900;;640994

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz847-310900-
grand haven to whitehall mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 15 to 20 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 to 4 feet. 
.monday...south winds 20 to 25 knots. partly sunny with a chance of
showers and thunderstorms. waves 4 to 6 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 2 to 4 feet. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy with
a chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.wednesday...south winds 10 to 15 knots veering southwest early in
the afternoon. partly sunny. waves around 1 foot. 
.thursday...northeast winds around 10 knots backing northwest in the
late morning and afternoon. partly sunny. waves 1 foot or less. 
.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 310258
nshgrr
expires:202608310900;;640992

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz849-310900-
pentwater to manistee mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 10 to 15 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 to 4 feet. 
.monday...south winds 15 to 25 knots. partly sunny with a chance of
showers and thunderstorms. waves 3 to 6 feet.
.monday night...south winds 15 to 25 knots becoming southwest 5 to
15 knots after midnight. partly cloudy. waves 4 to 6 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 and a slight
chance of thunderstorms. 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 less than 1 foot. 
.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 310258
nshgrr
expires:202608310900;;640993

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz848-310900-
whitehall to pentwater mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 10 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 15 to 25 knots. partly sunny with a chance of
showers and thunderstorms. waves 4 to 6 feet. 
.monday night...south winds 15 to 25 knots veering southwest 10 to
15 knots after midnight. partly cloudy. waves 4 to 6 feet. 
.tuesday...southwest winds 5 to 15 knots. mostly sunny with a slight
chance of showers and thunderstorms. waves 2 to 4 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 310258
nshgrr
expires:202608310900;;640997

nearshore marine forecast
national weather service grand rapids mi
1058 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz844-310900-
st joseph to south haven mi-
1058 pm edt sun aug 30 2026

.rest of tonight...south winds 10 to 15 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.monday...south winds 15 to 20 knots. partly sunny with a slight
chance of showers and thunderstorms. waves 2 to 4 feet. 
.monday night...southwest winds 10 to 20 knots. partly cloudy. waves
1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots. partly sunny with a
slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.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 less than 1 foot. 

$$

fzus53 kiwx 310307
nshiwx
expires:202608310815;;641270

nearshore marine forecast
national weather service northern indiana
1107 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz043-310815-
new buffalo mi to st joseph mi-
1107 pm edt sun aug 30 2026

.rest of tonight...south winds 5 to 10 knots. a chance of showers
late this evening, then a slight chance of showers after
midnight. waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest. a slight
chance of showers and thunderstorms in the morning, then a slight
chance of showers in the afternoon. waves 2 feet or less. 
.monday night...southwest winds 10 to 15 knots. a slight chance
of showers and thunderstorms overnight. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms in the morning. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 kiwx 310307
nshiwx
expires:202608310815;;641269

nearshore marine forecast
national weather service northern indiana
1107 pm edt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz046-310815-
michigan city in to new buffalo mi-
1107 pm edt sun aug 30 2026

.rest of tonight...south winds 5 to 10 knots. showers likely late
this evening, then a slight chance of showers after midnight.
waves 1 foot or less. 
.monday...south winds around 10 knots becoming southwest. a
slight chance of showers and thunderstorms in the morning. waves
2 feet or less. 
.monday night...southwest winds around 10 knots. a slight chance
of showers and thunderstorms overnight. waves 1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms in the morning. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 klot 310134
nshlot
expires:202608310930;;638361

nearshore marine forecast
national weather service chicago/romeoville il
834 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>742-310930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
834 pm cdt sun aug 30 2026

.rest of tonight...south winds 10 to 15 kt becoming southwest. 
occasional showers and slight chance of thunderstorms early, then 
slight chance of showers and thunderstorms after midnight. waves 1
to 2 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 310134
nshlot
expires:202608310930;;638362

nearshore marine forecast
national weather service chicago/romeoville il
834 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>745-310930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
834 pm cdt sun aug 30 2026

.rest of tonight...south winds 10 to 15 kt becoming southwest. 
occasional showers and slight chance of thunderstorms late in the 
evening. waves 1 to 2 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 310410
nshmkx
expires:202608311000;;643956

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz643-311000-
sheboygan to port washington wi-
1110 pm cdt sun aug 30 2026

.rest of tonight...south wind 5 to 10 knots rising to 10 to
15 knots early in the morning. chance of showers and
thunderstorms. waves 1 to 3 feet building to 2 to 4 feet early in
the morning. 
.monday...south wind 10 to 20 knots becoming 15 to 20 knots late
in the morning, then becoming south 15 to 20 knots early in the
afternoon veering southwest late in the afternoon. gusts up to
25 knots. chance of showers and thunderstorms in the morning.
waves 3 to 4 feet. 
.monday night...southwest wind 10 to 15 knots becoming west 5 to
10 knots after midnight. slight chance of showers through around
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 310410
nshmkx
expires:202608311000;;643957

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz644-311000-
port washington to north point light wi-
1110 pm cdt sun aug 30 2026

.rest of tonight...south wind 5 to 10 knots rising to 10 to
15 knots early in the morning. chance of showers and
thunderstorms. waves 1 to 2 feet. 
.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. 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 late in the evening, then veering west after midnight.
slight chance of showers through around 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 310410
nshmkx
expires:202608311000;;643958

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz645-311000-
north point light to wind point wi-
1110 pm cdt sun aug 30 2026

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

$$

fzus53 kmkx 310410
nshmkx
expires:202608311000;;643959

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz646-311000-
wind point wi to winthrop harbor il-
1110 pm cdt sun aug 30 2026

.rest of tonight...south wind 10 to 15 knots. chance of showers
after midnight. slight chance of thunderstorms through the night.
slight chance of showers early in the morning. waves 1 to 2 feet.
.monday...south wind 10 to 15 knots veering southwest with gusts
to around 20 knots late in the morning, then rising to 15 to
20 knots early in the afternoon easing to 10 to 15 knots with
gusts to around 20 knots late in the afternoon. chance of
thunderstorms in the morning. chance of showers through the day.
slight chance of thunderstorms in the afternoon. waves 1 to
2 feet. 
.monday 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 through around midnight. 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. 

$$