fzus53 kapx 300655
nshapx
expires:202608301500;;594078

nearshore marine forecast
national weather service gaylord mi
255 am 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.


lmz346-301500-
manistee to point betsie mi-
255 am edt sun aug 30 2026

.today...south wind 10 to 15 knots. showers early in the morning,
then showers likely in the morning. chance of showers and slight
chance of thunderstorms in the afternoon. waves 2 feet or less
building to 2 to 3 feet in the morning. 
.tonight...southeast wind 5 to 10 knots. patchy fog. chance of
showers and slight chance of thunderstorms. waves 2 to 3 feet. 
.monday...south wind 10 to 15 knots. patchy fog. chance of
showers. waves 2 to 4 feet. 
.monday night...south wind 10 to 15 knots. mostly cloudy. waves
2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 300623
nshgrb
expires:202608301000;;591090

nearshore marine forecast
national weather service green bay wi
123 am cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-301000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
123 am cdt sun aug 30 2026

.rest of the night...s wind 10 to 15 kts. waves 2 to 4 ft. a
chance of showers and a slight chance of thunderstorms. 
.sunday...s wind 10 to 15 kts. waves 3 to 5 ft. a slight chance
of showers and thunderstorms. a small craft advisory may be
needed. 
.sunday night...se wind 10 to 15 kts. waves 2 to 4 ft. a chance
of showers. 
.monday...s wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers and thunderstorms in the morning.  

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591008

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

for waters within five nautical miles of shore on lake michigan


lmz848-300800-
whitehall to pentwater mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

.rest of tonight...south winds 15 to 25 knots. rain showers likely
and a chance of thunderstorms. waves 3 to 5 feet. 
.sunday...south winds 15 to 25 knots. mostly cloudy with a chance of
showers and thunderstorms. waves 4 to 6 feet. 
.sunday night...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
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...south winds 15 to 25 knots veering southwest 10 to
15 knots after midnight. partly cloudy. waves 3 to 5 feet. 
.tuesday...south winds 5 to 10 knots. partly sunny. waves 1 to
3 feet. 
.wednesday...west winds 10 to 15 knots backing south in the late
morning and early afternoon, then veering southwest early in the
afternoon. partly sunny. waves 1 to 2 feet. 
.thursday...northeast winds around 10 knots backing north early in
the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591009

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

for waters within five nautical miles of shore on lake michigan


lmz847-300800-
grand haven to whitehall mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

.rest of tonight...south winds 20 to 25 knots. cloudy with a chance
of showers and thunderstorms. waves 3 to 5 feet. 
.sunday...south winds 20 to 25 knots. rain showers and a chance of
thunderstorms. waves 4 to 6 feet. 
.sunday night...south winds 10 to 20 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 3 to 5 feet
subsiding to 2 to 4 feet after midnight. 
.monday...south winds 15 to 20 knots. partly sunny with a chance of
rain showers and a slight chance of thunderstorms. waves 3 to
5 feet. 
.monday night...southwest winds 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 10 to 15 knots. partly sunny with a chance of
showers and thunderstorms. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. partly sunny. waves
1 to 2 feet. 
.thursday...northeast winds around 10 knots backing northwest early
in the afternoon. mostly sunny. waves around 1 foot. 

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591010

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

for waters within five nautical miles of shore on lake michigan


lmz846-300800-
holland to grand haven mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

.rest of tonight...south winds 15 to 20 knots. cloudy with a chance
of showers and thunderstorms. waves 2 to 4 feet. 
.sunday...south winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.sunday night...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 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
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 with a
chance of showers and thunderstorms. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. partly sunny. waves
1 to 2 feet. 
.thursday...east winds around 10 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591012

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

for waters within five nautical miles of shore on lake michigan


lmz844-300800-
st joseph to south haven mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

.rest of tonight...south winds 15 to 20 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.sunday...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. 
.sunday night...south winds 10 to 15 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots. partly sunny. waves 1 to
3 feet. 
.monday night...southwest winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. partly sunny. waves 1 to
2 feet. 
.wednesday...southwest winds around 10 knots. mostly sunny. waves
around 1 foot. 
.thursday...southwest winds around 10 knots veering northwest in the
late morning and afternoon. mostly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591011

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

for waters within five nautical miles of shore on lake michigan


lmz845-300800-
south haven to holland mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

.rest of tonight...south winds 15 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet. 
.sunday...south winds 15 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves 3 to 5 feet. 
.sunday night...south winds 10 to 20 knots. mostly cloudy with a
slight chance of showers and 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 slight
chance of showers and thunderstorms. waves 1 to 3 feet building to
2 to 4 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. 
.wednesday...southwest winds 10 to 15 knots. mostly sunny. waves
1 to 2 feet. 
.thursday...northwest winds 10 to 15 knots becoming around 10 knots
in the late morning and afternoon. mostly sunny. waves 1 to 3 feet. 

$$

fzus53 kgrr 300623
nshgrr
expires:202608300800;;591007

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

for waters within five nautical miles of shore on lake michigan


lmz849-300800-
pentwater to manistee mi-
223 am edt sun aug 30 2026

...small craft advisory in effect through this evening...

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

$$

fzus53 kiwx 300255
nshiwx
expires:202608300815;;583499

nearshore marine forecast
national weather service northern indiana
1055 pm edt sat aug 29 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-300815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1055 pm edt sat aug 29 2026

.overnight...south winds 5 to 15 knots. a slight chance of
showers, then a slight chance of showers and thunderstorms late.
waves 2 feet or less. 
.sunday...south winds 10 to 15 knots. gusts up to 25 knots. a
chance of showers with a slight chance of thunderstorms in the
morning. waves 1 to 3 feet. 
.sunday night...south winds 5 to 10 knots. a slight chance of
showers in the evening. waves 2 feet or less. 
.monday...south winds around 10 knots. partly sunny. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 74 degrees and at michigan
city is 70 degrees.

$$

fzus53 klot 300233
nshlot
expires:202608301445;;583118

nearshore marine forecast
national weather service chicago/romeoville il
933 pm cdt sat aug 29 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>745-301445-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
933 pm cdt sat aug 29 2026

.rest of tonight...south winds 10 to 20 kt. slight chance of a 
shower or thunderstorm after midnight. waves 1 to 2 ft. 
.sunday...south winds 15 to 25 kt becoming southwest. scattered 
showers and slight chance of thunderstorms in the morning, then 
isolated showers and a slight chance of thunderstorms in the 
afternoon. waves 1 to 3 ft.
.sunday night...south winds 10 to 15 kt. mostly cloudy. waves
1 to 2 ft. 
.monday...south winds 10 to 20 kt. mostly cloudy. waves 1 to 2 
ft. 

$$

fzus53 klot 300233
nshlot
expires:202608301445;;583117

nearshore marine forecast
national weather service chicago/romeoville il
933 pm cdt sat aug 29 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>742-301445-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
933 pm cdt sat aug 29 2026

.rest of tonight...south winds 15 to 20 kt. slight chance of
a shower or thunderstorm after midnight. waves 1 to 3 ft building
to 2 to 4 ft. 
.sunday...south winds 15 to 25 kt becoming southwest. scattered 
showers and a slight chance of thunderstorms. waves 2 to 4 ft 
subsiding to 1 to 3 ft. 
.sunday night...southwest winds 10 to 15 kt. slight chance of 
showers and thunderstorms in the evening and again late. waves 1 
to 2 ft.
.monday...southwest winds 10 to 20 kt. mostly cloudy. waves 1 to 
2 ft. 

$$

fzus53 kmkx 300610
nshmkx
expires:202608300900;;590457

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz646-300900-
wind point wi to winthrop harbor il-
110 am cdt sun aug 30 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.rest of tonight...south wind 15 to 20 knots. chance of showers
and thunderstorms. waves 2 to 4 feet. 
.sunday...south wind 15 to 20 knots veering southwest with gusts
to around 25 knots in the late morning and early afternoon, then
easing to 10 to 15 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 2 to
4 feet. 
.sunday night...south wind 10 to 15 knots. slight chance of
showers and thunderstorms. waves 1 to 2 feet. 
.monday...southwest wind 10 to 15 knots. chance of showers and
slight chance of thunderstorms in the morning. waves 1 to 2 feet.

$$

fzus53 kmkx 300610
nshmkx
expires:202608300900;;590456

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz645-300900-
north point light to wind point wi-
110 am cdt sun aug 30 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.rest of tonight...south wind 15 to 20 knots. chance of showers
and thunderstorms. waves 2 to 4 feet. 
.sunday...south wind 15 to 20 knots veering southwest early in
the afternoon, then easing to 10 to 15 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 2 to 4 feet. 
.sunday night...south wind 10 to 15 knots. slight chance of
showers and thunderstorms after midnight. waves 1 to 2 feet. 
.monday...south wind 10 to 15 knots veering southwest with gusts
to around 20 knots late in the afternoon. chance of showers and
slight chance of thunderstorms in the morning. waves 1 to 2 feet.

$$

fzus53 kmkx 300610
nshmkx
expires:202608300900;;590455

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz644-300900-
port washington to north point light wi-
110 am cdt sun aug 30 2026

.rest of tonight...south wind 10 to 15 knots with gusts to around
20 knots. chance of showers and thunderstorms. waves 2 to 4 feet.
.sunday...south wind 10 to 15 knots with gusts to around 20 knots
rising to 15 to 20 knots late in the morning, then becoming
southwest 10 to 15 knots with gusts to around 20 knots early in
the afternoon becoming southwest 10 to 15 knots late in the
afternoon. chance of showers and thunderstorms in the morning.
slight chance of showers and thunderstorms in the afternoon.
waves 2 to 4 feet. 
.sunday night...south wind 10 to 15 knots easing to 5 to 10 knots
in the late evening and early morning, then becoming south 5 to
10 knots early in the morning. chance of showers and slight
chance of thunderstorms after midnight. waves 1 to 2 feet. 
.monday...south wind 10 to 15 knots veering southwest with gusts
to around 20 knots late in the afternoon. chance of showers and
slight chance of thunderstorms in the morning. waves 1 to 2 feet.

$$

fzus53 kmkx 300610
nshmkx
expires:202608300900;;590454

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun aug 30 2026

for waters within five nautical miles of shore on lake michigan


lmz643-300900-
sheboygan to port washington wi-
110 am cdt sun aug 30 2026

.rest of tonight...south wind 15 to 20 knots. chance of showers
and thunderstorms. waves 3 to 4 feet. 
.sunday...south wind 15 to 20 knots easing to 10 to 15 knots late
in the afternoon. chance of showers and thunderstorms. waves 3 to
4 feet. 
.sunday night...south wind 10 to 15 knots easing to 5 to 10 knots
after midnight, then rising to 10 to 15 knots early in the
morning. slight chance of showers through around midnight. slight
chance of thunderstorms through the night. chance of showers
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.monday...south wind 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and afternoon. chance of showers and
slight chance of thunderstorms in the morning. waves 2 to 4 feet.

$$