fzus53 kapx 251717
nshapx
expires:202608261200;;343663

nearshore marine forecast
national weather service gaylord mi
117 pm edt tue aug 25 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.


lmz346-261200-
manistee to point betsie mi-
117 pm edt tue aug 25 2026

...small craft advisory in effect from late tonight through
wednesday evening...

.tonight...south wind 15 to 20 knots, gusts to 25 knots. chance 
of showers and slight chance of thunderstorms after midnight. 
waves 2 to 3 feet building to 2 to 4 feet after midnight. 
.wednesday...southwest wind 10 to 20 knots, gusts to 25 knots. 
showers likely and a chance of thunderstorms. waves 3 to 5 feet. 
.wednesday night...northwest wind 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 
.thursday...north wind 10 to 15 knots. mostly sunny. waves 2 to
3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 251823
nshgrb
expires:202608252200;;346309

nearshore marine forecast
national weather service green bay wi
123 pm cdt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-252200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
123 pm cdt tue aug 25 2026

...small craft advisory in effect from 6 pm cdt this evening
through late tonight...

.this afternoon...s wind 10 to 15 kts increasing to 15 to 25 kts
early in the afternoon. waves 3 to 5 ft. partly cloudy. 
.tonight...s wind 15 to 25 kts. waves 3 to 5 ft. a slight chance
of showers in the evening, then showers likely and a chance of
thunderstorms after midnight. 
.wednesday...sw wind 10 to 15 kts veering w early in the
afternoon. waves 3 to 5 ft subsiding to 1 to 3 ft in the
afternoon. partly sunny. 
.wednesday night...nw wind 10 to 15 kts. waves 2 ft or less.
mostly clear.  

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345603

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz849-260800-
pentwater to manistee mi-
210 pm edt tue aug 25 2026

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...south winds 10 to 20 knots. partly cloudy. a chance of
rain showers and a slight chance of thunderstorms after midnight.
waves 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots. rain showers and a
slight chance of thunderstorms. waves 4 to 6 feet. 
.wednesday night...southwest winds 10 to 20 knots veering northwest
in the late evening and overnight. 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...north winds 10 to 20 knots. sunny. waves 2 to 4 feet. 
.thursday night...north winds 10 to 20 knots veering northeast 5 to
10 knots after midnight. mostly clear. 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. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 5 to 7 feet. 

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345604

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz848-260800-
whitehall to pentwater mi-
210 pm edt tue aug 25 2026

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...south winds 15 to 25 knots. partly cloudy. a slight
chance of rain showers after midnight. waves 1 to 3 feet building to
2 to 4 feet after midnight. 
.wednesday...southwest winds 20 to 25 knots. partly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
5 to 7 feet. 
.wednesday night...southwest winds 15 to 20 knots veering north
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 veering north 20 to
25 knots early in the afternoon. sunny. waves 2 to 4 feet. 
.thursday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 2 to 4 feet. 
.friday...northeast winds around 10 knots backing north early in the
afternoon. sunny. waves 1 foot or less. 
.saturday...south winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 5 to 7 feet. 

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345605

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz847-260800-
grand haven to whitehall mi-
210 pm edt tue aug 25 2026

.through early evening...south winds 10 to 15 knots. mostly sunny.
waves around 1 foot. 
.tonight...south winds 15 to 25 knots. 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 increasing to 20 to
25 knots early in the afternoon. sunny. waves 1 to 3 feet building
to 3 to 5 feet in the late morning and afternoon. 
.thursday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 3 to 5 feet subsiding to 1 to 2 feet
in the late evening and overnight. 
.friday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.saturday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 
.sunday...south winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345607

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz845-260800-
south haven to holland mi-
210 pm edt tue aug 25 2026

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

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345606

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz846-260800-
holland to grand haven mi-
210 pm edt tue aug 25 2026

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

$$

fzus53 kgrr 251811
nshgrr
expires:202608260800;;345608

nearshore marine forecast
national weather service grand rapids mi
210 pm edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz844-260800-
st joseph to south haven mi-
210 pm edt tue aug 25 2026

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

$$

fzus53 kiwx 251450
nshiwx
expires:202608252015;;338724

nearshore marine forecast
national weather service northern indiana
1050 am edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz043-252015-
new buffalo mi to st joseph mi-
1050 am edt tue aug 25 2026

.this afternoon...light and variable winds. mostly sunny. waves
around 1 foot. 
.tonight...light and variable winds becoming south 5 to 10 knots.
partly cloudy. waves around 1 foot. 
.wednesday...south winds 10 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms in the afternoon.
waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 10 knots becoming
northwest. a chance of showers and thunderstorms in the evening.
waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.

$$

fzus53 kiwx 251450
nshiwx
expires:202608252015;;338723

nearshore marine forecast
national weather service northern indiana
1050 am edt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz046-252015-
michigan city in to new buffalo mi-
1050 am edt tue aug 25 2026

.this afternoon...light and variable winds. mostly sunny. waves
around 1 foot. 
.tonight...southeast winds 10 knots or less becoming south.
partly cloudy in the evening, then becoming mostly cloudy. waves
around 1 foot. 
.wednesday...south winds 10 to 15 knots becoming southwest.
showers likely with a chance of thunderstorms in the afternoon.
waves 1 to 2 feet. 
.wednesday night...southwest winds 5 to 10 knots becoming
northwest. a chance of showers and thunderstorms in the evening,
then a slight chance of showers overnight. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.

$$

fzus53 klot 251442
nshlot
expires:202608252115;;338551

nearshore marine forecast
national weather service chicago/romeoville il
942 am cdt tue aug 25 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>745-252115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
942 am cdt tue aug 25 2026

.rest of today...south winds around 5 kt becoming east 5 to 10 kt
in the afternoon. partly cloudy. waves 1 to 2 ft. 
.tonight...south winds 10 to 20 kt. partly cloudy in the evening,
then becoming mostly cloudy. waves 1 to 3 ft. 
.wednesday...southwest winds 10 to 20 kt. chance of showers and
thunderstorms in the afternoon. waves 1 to 3 ft. 
.wednesday night...west winds 10 to 15 kt becoming northwest. 
slight chance of showers and thunderstorms early in the evening. 
waves 1 to 2 ft.

$$

fzus53 klot 251442
nshlot
expires:202608252115;;338550

nearshore marine forecast
national weather service chicago/romeoville il
942 am cdt tue aug 25 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>742-252115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
942 am cdt tue aug 25 2026

.rest of today...southwest winds 5 to 10 kt becoming southeast 10
to 15 kt in the afternoon. partly cloudy. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt. slight chance of showers
overnight. waves 1 to 3 ft.
.wednesday...southwest winds 10 to 20 kt becoming west 10 to
15 kt in the afternoon. slight chance of showers and
thunderstorms in the morning, then chance of showers and
thunderstorms in the afternoon. waves 1 to 3 ft. 
.wednesday night...west winds 10 to 15 kt becoming northwest.
mostly clear. waves 1 to 2 ft.  

$$

fzus53 kmkx 251810
nshmkx
expires:202608252200;;345588

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz646-252200-
wind point wi to winthrop harbor il-
110 pm cdt tue aug 25 2026

.rest of today...south wind 10 to 15 knots. sunny. waves 1 to
2 feet. 
.tonight...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 easing to 10 to
15 knots with gusts to around 20 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. 
.wednesday night...northwest wind 10 to 15 knots. chance of
showers and slight chance of thunderstorms through around
midnight. waves around 1 foot. 

$$

fzus53 kmkx 251810
nshmkx
expires:202608252200;;345587

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz645-252200-
north point light to wind point wi-
110 pm cdt tue aug 25 2026

.rest of today...south wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. mostly sunny. waves 1 to 2 feet
building to 2 to 4 feet late in the afternoon. 
.tonight...south wind 10 to 15 knots with gusts to around
20 knots becoming south 10 to 15 knots in the late evening and
early morning, then becoming southwest 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 in the
late evening and overnight. 
.wednesday...southwest wind 15 to 20 knots becoming west 10 to
15 knots in the afternoon. chance of showers and slight chance of
thunderstorms. waves 1 to 2 feet. 
.wednesday night...northwest wind 10 to 15 knots. chance of
showers and slight chance of thunderstorms through around
midnight. waves around 1 foot. 

$$

fzus53 kmkx 251810
nshmkx
expires:202608252200;;345586

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz644-252200-
port washington to north point light wi-
110 pm cdt tue aug 25 2026

.rest of today...south wind 10 to 15 knots rising to 15 to
20 knots with gusts to around 25 knots late in the afternoon.
sunny. waves 1 to 2 feet building to 2 to 4 feet late in the
afternoon. 
.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots late in the evening, then veering
southwest 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 becoming west 10 to
15 knots in the afternoon. chance of showers and slight chance of
thunderstorms in the morning. slight chance of showers in the
afternoon. waves 1 to 2 feet. 
.wednesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 10 to 15 knots after midnight.
mostly clear. waves around 1 foot. 

$$

fzus53 kmkx 251810
nshmkx
expires:202608252200;;345585

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 25 2026

for waters within five nautical miles of shore on lake michigan


lmz643-252200-
sheboygan to port washington wi-
110 pm cdt tue aug 25 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...south wind 15 to 20 knots with gusts to around
25 knots. sunny. waves 1 to 3 feet building to 3 to 4 feet late
in the afternoon. 
.tonight...south wind 15 to 20 knots veering southwest after
midnight. gusts up to 25 knots. chance of showers and slight
chance of thunderstorms after midnight. waves 3 to 4 feet. 
.wednesday...southwest wind 15 to 20 knots becoming west 10 to
15 knots in the afternoon. chance of showers and thunderstorms in
the morning. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 
.wednesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots becoming northwest 10 to 15 knots in the late
evening and overnight. mostly clear. waves 1 to 2 feet. 

$$