(1/17)
Latest Nearshore Marine Forecast by KAPX
Issued 8/25/2026 3:24 AM America/New_York.
Valid through 8/25/2026 11:30 AM America/New_York.
fzus53 kapx 250724
nshapx
expires:202608251530;;323478
nearshore marine forecast
national weather service gaylord mi
324 am 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.
lmz346-251530-
manistee to point betsie mi-
324 am edt tue aug 25 2026
.today...southwest wind 10 to 15 knots. partly cloudy. waves
2 feet or less.
.tonight...south wind 10 to 15 knots. chance of showers and
slight chance of thunderstorms. waves 2 to 4 feet.
.wednesday...southwest wind 10 to 15 knots. showers likely and a
chance of thunderstorms. waves 3 to 5 feet.
.wednesday night...northwest wind 10 to 15 knots. chance of
showers. waves 2 to 3 feet.
winds and waves higher in the vicinity of thunderstorms.
see the open lakes forecast for days 3 through 5.
$$
(2/17)
Latest Nearshore Marine Forecast by KGRB
Issued 8/25/2026 1:56 AM US/Central.
Valid through 8/25/2026 5:00 AM US/Central.
fzus53 kgrb 250656
nshgrb
expires:202608251000;;322060
nearshore marine forecast
national weather service green bay wi
156 am cdt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz542-543-251000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 am cdt tue aug 25 2026
...small craft advisory in effect from this evening through late
tonight...
.rest of the night...sw wind 5 to 10 kts. waves 2 ft or less.
partly cloudy.
.tuesday...sw wind 5 to 10 kts backing s 10 to 15 kts mid-day,
then increasing to 15 to 25 kts early in the afternoon. waves
2 ft or less building to 3 to 5 ft in the afternoon. mostly sunny
in the morning then becoming partly cloudy.
.tuesday night...s wind 10 to 20 kts. waves 3 to 5 ft. a chance
of showers after midnight.
.wednesday...sw wind 10 to 15 kts veering w early in the
afternoon. waves 2 to 4 ft subsiding to 1 to 3 ft in the
afternoon. a chance of showers in the afternoon.
$$
(3/17)
Latest Nearshore Marine Forecast by KGRB
Issued 8/24/2026 9:24 PM US/Central.
Valid through 8/25/2026 5:00 AM US/Central.
fzus53 kgrb 250224
nshgrb
expires:202608251000;;311135
nearshore marine forecast
national weather service green bay wi
924 pm cdt mon aug 24 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-251000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
924 pm cdt mon aug 24 2026
.rest of tonight...s wind 5 to 10 kts veering sw after midnight.
waves 2 ft or less. mostly clear.
.tuesday...s wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. waves 2 ft or less building to 3 to 5 ft in the
afternoon. mostly sunny. a small craft advisory may be needed.
.tuesday night...s wind 15 to 25 kts veering sw 10 to 15 kts
after midnight. waves 3 to 5 ft. a chance of showers.
.wednesday...sw wind 10 to 15 kts. waves 3 to 5 ft subsiding to
2 to 4 ft in the afternoon. a chance of thunderstorms. showers
likely in the afternoon. a small craft advisory may be needed.
$$
(4/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318604
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz845-250800-
south haven to holland mi-
211 am edt tue aug 25 2026
.rest of tonight...northeast winds around 5 knots. mostly clear.
waves around 1 foot.
.tuesday...southeast winds around 5 knots veering southwest early in
the afternoon. mostly sunny. waves 1 foot or less.
.tuesday night...south winds 5 to 15 knots increasing to 15 to
20 knots after midnight. partly cloudy. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 25 knots. mostly sunny with rain
showers likely and a slight chance of thunderstorms. waves 3 to
5 feet.
.wednesday night...southwest winds around 15 knots veering northwest
after midnight. partly cloudy with rain showers likely and a chance
of thunderstorms. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
.thursday...northwest winds 15 to 20 knots. sunny. waves 2 to
4 feet.
.friday...north winds around 10 knots backing northwest early in the
afternoon. sunny. waves around 1 foot.
.saturday...southeast winds around 10 knots veering southwest early
in the afternoon. partly sunny. waves less than 1 foot.
$$
(5/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318602
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz847-250800-
grand haven to whitehall mi-
211 am edt tue aug 25 2026
.rest of tonight...northeast winds around 5 knots. mostly clear.
waves 1 foot or less.
.tuesday...southeast winds 5 to 15 knots veering south in the late
morning and afternoon. mostly sunny. waves around 1 foot.
.tuesday night...south winds 10 to 20 knots increasing to 20 to
25 knots after midnight. partly cloudy. waves 1 to 3 feet building
to 3 to 5 feet after midnight.
.wednesday...southwest winds 20 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 5 to 7 feet.
.wednesday night...southwest winds 15 to 20 knots veering northwest
10 to 15 knots after midnight. partly cloudy with rain showers
likely and a chance of thunderstorms. waves 3 to 5 feet subsiding to
2 to 4 feet in the late evening and overnight.
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet.
.friday...northeast winds around 10 knots backing northwest 10 to
20 knots early in the afternoon. sunny. waves 1 foot or less.
.saturday...southeast winds 10 to 15 knots veering south early in
the afternoon. partly sunny. waves 1 to 2 feet.
$$
(6/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318605
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz844-250800-
st joseph to south haven mi-
211 am edt tue aug 25 2026
.rest of tonight...east winds around 5 knots. mostly clear. waves
around 1 foot.
.tuesday...southeast winds around 5 knots veering west early in the
afternoon. mostly sunny. waves 1 foot or less.
.tuesday night...south winds 5 to 15 knots. partly cloudy. waves
around 1 foot.
.wednesday...southwest winds 15 to 20 knots. mostly sunny. waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.wednesday night...southwest winds 10 to 15 knots veering west after
midnight. partly cloudy with rain showers likely and a chance of
thunderstorms. waves 1 to 3 feet.
.thursday...northwest winds around 15 knots. sunny. waves 2 to
4 feet.
.friday...north winds 5 to 10 knots becoming around 10 knots early
in the afternoon. sunny. waves around 1 foot.
.saturday...southeast winds 5 to 10 knots veering southwest early in
the afternoon. mostly sunny. waves 1 foot or less.
$$
(7/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318603
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz846-250800-
holland to grand haven mi-
211 am edt tue aug 25 2026
.rest of tonight...northeast winds around 5 knots. mostly clear.
waves 1 foot or less.
.tuesday...southeast winds around 5 knots veering southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less.
.tuesday night...south winds 10 to 20 knots. partly cloudy. waves
1 to 2 feet building to 2 to 4 feet after midnight.
.wednesday...southwest winds 15 to 25 knots. partly sunny with rain
showers likely and a slight chance of thunderstorms. waves 4 to
6 feet.
.wednesday night...southwest winds 15 to 20 knots veering northwest
after midnight. partly cloudy with rain showers likely and a chance
of thunderstorms. waves 3 to 5 feet subsiding to 2 to 4 feet in the
late evening and overnight.
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet.
.friday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less.
.saturday...southeast winds 10 to 15 knots veering south in the late
morning and afternoon. partly sunny. waves 1 foot or less.
$$
(8/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318600
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz849-250800-
pentwater to manistee mi-
211 am edt tue aug 25 2026
.rest of tonight...southeast winds around 5 knots. partly cloudy.
waves 1 foot or less.
.tuesday...south winds 5 to 15 knots veering southwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet.
.tuesday night...south winds 15 to 25 knots. partly cloudy with a
slight chance of rain showers. waves 2 to 4 feet building to 3 to
5 feet after midnight.
.wednesday...southwest winds 15 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 4 to 6 feet.
.wednesday night...southwest winds 10 to 20 knots veering northwest
5 to 15 knots in the late evening and overnight. partly cloudy with
rain showers likely and a chance of thunderstorms. waves 3 to 5 feet
subsiding to 2 to 4 feet in the late evening and overnight.
.thursday...northwest winds 10 to 20 knots. sunny. waves 1 to
3 feet.
.friday...northeast winds 5 to 10 knots backing north 10 to 15 knots
early in the afternoon. sunny. waves around 1 foot.
.saturday...south winds 10 to 20 knots. partly sunny. waves 2 to
4 feet.
$$
(9/17)
Latest Nearshore Marine Forecast by KGRR
Issued 8/25/2026 2:11 AM America/New_York.
Valid through 8/25/2026 4:00 AM America/New_York.
fzus53 kgrr 250611
nshgrr
expires:202608250800;;318601
nearshore marine forecast
national weather service grand rapids mi
211 am edt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz848-250800-
whitehall to pentwater mi-
211 am edt tue aug 25 2026
.rest of tonight...southeast winds around 5 knots. mostly clear.
waves 1 foot or less.
.tuesday...south winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet.
.tuesday night...south winds 15 to 25 knots. partly cloudy. waves
2 to 4 feet building to 3 to 5 feet after midnight.
.wednesday...southwest winds 20 to 25 knots. rain showers likely and
a slight chance of thunderstorms. waves 5 to 7 feet.
.wednesday night...southwest winds 15 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
2 to 4 feet in the late evening and overnight.
.thursday...northwest winds 15 to 20 knots. sunny. waves 2 to
4 feet.
.friday...northeast winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 foot or less.
.saturday...southeast winds 10 to 20 knots veering south early in
the afternoon. partly sunny. waves 1 to 3 feet.
$$
(10/17)
Latest Nearshore Marine Forecast by KIWX
Issued 8/24/2026 10:34 PM America/New_York.
Valid through 8/25/2026 4:15 AM America/New_York.
fzus53 kiwx 250234
nshiwx
expires:202608250815;;311358
nearshore marine forecast
national weather service northern indiana
1034 pm edt mon aug 24 2026
for waters within five nautical miles of shore on lake michigan
lmz046-250815-
michigan city in to new buffalo mi-
1034 pm edt mon aug 24 2026
.overnight...northeast winds less than 10 knots. partly
cloudy. waves 1 to 2 feet.
.tuesday...light and variable winds. mostly sunny. waves 1 foot
or less.
.tuesday night...southeast winds 10 knots or less becoming south.
partly cloudy. waves 1 foot or less.
.wednesday...south winds around 10 knots becoming southwest.
showers likely with a slight chance of thunderstorms in the
afternoon. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 68 degrees and at michigan
city is 74 degrees.
$$
(11/17)
Latest Nearshore Marine Forecast by KIWX
Issued 8/24/2026 10:34 PM America/New_York.
Valid through 8/25/2026 4:15 AM America/New_York.
fzus53 kiwx 250234
nshiwx
expires:202608250815;;311359
nearshore marine forecast
national weather service northern indiana
1034 pm edt mon aug 24 2026
for waters within five nautical miles of shore on lake michigan
lmz043-250815-
new buffalo mi to st joseph mi-
1034 pm edt mon aug 24 2026
.overnight...northeast winds less than 10 knots. partly
cloudy. waves 1 to 2 feet.
.tuesday...light and variable winds. mostly sunny. waves 1 foot
or less.
.tuesday night...light and variable winds becoming south 5 to
10 knots. partly cloudy. waves 1 foot or less.
.wednesday...south winds 10 to 15 knots becoming southwest.
showers likely with a slight chance of thunderstorms in the
afternoon. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 68 degrees and at michigan
city is 74 degrees.
$$
(12/17)
Latest Nearshore Marine Forecast by KLOT
Issued 8/24/2026 8:47 PM US/Central.
Valid through 8/25/2026 4:45 AM US/Central.
fzus53 klot 250147
nshlot
expires:202608250945;;309791
nearshore marine forecast
national weather service chicago/romeoville il
847 pm cdt mon aug 24 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz740>742-250945-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
847 pm cdt mon aug 24 2026
.rest of tonight...east winds around 10 kt becoming west.
decreasing cloudiness. waves 1 to 3 ft.
.tuesday...southwest winds around 10 kt becoming southeast in the
afternoon. partly cloudy. waves 1 to 2 ft.
.tuesday night...south winds 10 to 15 kt becoming southwest.
increasing cloudiness. waves 1 to 2 ft.
.wednesday...southwest winds 15 to 20 kt. chance of showers and
thunderstorms mainly in the afternoon. waves 1 to 3 ft.
$$
(13/17)
Latest Nearshore Marine Forecast by KLOT
Issued 8/24/2026 8:47 PM US/Central.
Valid through 8/25/2026 4:45 AM US/Central.
fzus53 klot 250147
nshlot
expires:202608250945;;309792
nearshore marine forecast
national weather service chicago/romeoville il
847 pm cdt mon aug 24 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>745-250945-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
847 pm cdt mon aug 24 2026
.rest of tonight...northeast winds around 10 kt becoming south.
decreasing cloudiness. waves 1 to 3 ft.
.tuesday...south winds around 10 kt becoming southeast in the
afternoon. increasing cloudiness. waves 1 to 2 ft.
.tuesday night...south winds 10 to 15 kt. partly cloudy. waves
1 to 2 ft.
.wednesday...southwest winds 15 to 20 kt. chance of showers and
thunderstorms mainly in the afternoon. waves 1 to 3 ft.
$$
(14/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/25/2026 1:10 AM US/Central.
Valid through 8/25/2026 4:00 AM US/Central.
fzus53 kmkx 250610
nshmkx
expires:202608250900;;318585
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz646-250900-
wind point wi to winthrop harbor il-
110 am cdt tue aug 25 2026
.rest of tonight...southwest wind 5 knots rising to 5 to 10 knots
early in the morning. mostly clear. waves nearly calm.
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then becoming 5 to 15 knots early in the afternoon
becoming 10 to 15 knots late in the afternoon. mostly sunny.
waves around 1 foot.
.tuesday night...south wind 10 to 15 knots veering southwest
early in the morning. chance of showers and slight chance of
thunderstorms after midnight. waves 1 to 2 feet.
.wednesday...southwest wind 10 to 15 knots veering west late in
the afternoon. chance of showers and slight chance of
thunderstorms. waves 1 to 2 feet.
$$
(15/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/25/2026 1:10 AM US/Central.
Valid through 8/25/2026 4:00 AM US/Central.
fzus53 kmkx 250610
nshmkx
expires:202608250900;;318584
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz645-250900-
north point light to wind point wi-
110 am cdt tue aug 25 2026
.rest of tonight...southwest wind 5 to 10 knots. mostly clear.
waves nearly calm.
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 20 knots early in the afternoon
becoming 15 to 20 knots late in the afternoon. partly sunny.
waves around 1 foot.
.tuesday night...south wind 10 to 20 knots becoming 10 to
15 knots late in the evening, then veering southwest after
midnight becoming southwest 10 to 15 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 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.
$$
(16/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/25/2026 1:10 AM US/Central.
Valid through 8/25/2026 4:00 AM US/Central.
fzus53 kmkx 250610
nshmkx
expires:202608250900;;318583
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz644-250900-
port washington to north point light wi-
110 am cdt tue aug 25 2026
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves nearly calm.
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 20 knots early in the afternoon
becoming 15 to 20 knots late in the afternoon. partly sunny.
waves around 1 foot.
.tuesday night...south wind 10 to 20 knots becoming 10 to
15 knots late in the evening, then veering southwest after
midnight becoming 10 to 20 knots early in the morning. chance of
showers and slight chance of thunderstorms after midnight. waves
2 to 4 feet subsiding to 1 to 2 feet after midnight.
.wednesday...southwest wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then veering west early in the
afternoon becoming west 10 to 15 knots late in the afternoon.
chance of showers and slight chance of thunderstorms. waves 1 to
2 feet.
$$
(17/17)
Latest Nearshore Marine Forecast by KMKX
Issued 8/25/2026 1:10 AM US/Central.
Valid through 8/25/2026 4:00 AM US/Central.
fzus53 kmkx 250610
nshmkx
expires:202608250900;;318582
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt tue aug 25 2026
for waters within five nautical miles of shore on lake michigan
lmz643-250900-
sheboygan to port washington wi-
110 am cdt tue aug 25 2026
...small craft advisory in effect from this afternoon through
this evening...
.rest of tonight...southwest wind 5 to 10 knots. partly cloudy.
waves nearly calm.
.tuesday...southwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 20 knots early in the afternoon
becoming 15 to 20 knots with gusts to around 25 knots late in the
afternoon. mostly sunny. waves around 1 foot building to 2 to
4 feet late in the afternoon.
.tuesday night...south wind 15 to 20 knots veering southwest
after midnight. 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 early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. chance of showers and slight chance of
thunderstorms. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon.
$$
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