(1/15)
Latest Nearshore Marine Forecast by KAPX
Issued 10/21/2026 10:52 PM America/New_York.
Valid through 10/22/2026 7:00 AM America/New_York.
fzus53 kapx 220252
nshapx
expires:202610221100;;970099
nearshore marine forecast
national weather service gaylord mi
1052 pm edt wed oct 21 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.
lmz346-221100-
manistee to point betsie mi-
1052 pm edt wed oct 21 2026
.overnight...light winds. patchy fog after midnight. waves 2 feet
or less.
.thursday...northeast wind 5 to 10 knots. patchy fog. waves
2 feet or less.
.thursday night...east wind 5 to 10 knots. partly cloudy. waves
2 feet or less.
.friday...south wind 5 to 10 knots. mostly sunny. waves 2 feet or
less.
see the open lakes forecast for days 3 through 5.
$$
(2/15)
Latest Nearshore Marine Forecast by KGRB
Issued 10/21/2026 11:25 PM US/Central.
Valid through 10/22/2026 5:00 AM US/Central.
fzus53 kgrb 220425
nshgrb
expires:202610221000;;973346
nearshore marine forecast
national weather service green bay wi
1125 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-221000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1125 pm cdt wed oct 21 2026
.rest of tonight...nw wind around 5 kts veering n after midnight.
waves 2 ft or less. patchy fog after midnight.
.thursday...ne wind 5 to 10 kts. waves 2 ft or less. areas of fog
in the morning, then patchy fog in the afternoon.
.thursday night...e wind 5 to 10 kts veering s after midnight.
waves 2 ft or less. patchy fog.
.friday...s wind 10 to 15 kts. waves 1 to 3 ft. mostly cloudy.
$$
(3/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970622
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz844-220900-
st joseph to south haven mi-
1106 pm edt wed oct 21 2026
.rest of tonight...southeast winds around 5 knots. partly cloudy.
waves less than 1 foot.
.thursday...east winds around 5 knots backing north early in the
afternoon. sunny. waves calm.
.thursday night...north winds 5 to 10 knots veering east after
midnight. partly cloudy. waves calm.
.friday...southeast winds 5 to 10 knots. mostly sunny. waves less
than 1 foot.
.friday night...southeast winds 5 to 15 knots. mostly clear. waves
1 foot or less.
.saturday...south winds 5 to 15 knots. sunny. waves 1 foot or less.
.sunday...south winds 5 to 15 knots. partly sunny. waves 1 foot or
less.
.monday...north winds around 10 knots. partly sunny. waves 1 to
2 feet.
$$
(4/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970621
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz845-220900-
south haven to holland mi-
1106 pm edt wed oct 21 2026
.rest of tonight...southeast winds around 5 knots. partly cloudy.
waves less than 1 foot.
.thursday...east winds around 5 knots backing northwest early in the
afternoon. sunny. waves less than 1 foot.
.thursday night...north winds 5 to 10 knots veering east after
midnight. partly cloudy. waves less than 1 foot.
.friday...southeast winds 5 to 10 knots becoming around 5 knots
early in the afternoon. mostly sunny. waves less than 1 foot.
.friday night...southeast winds 5 to 15 knots. partly cloudy. waves
1 foot or less.
.saturday...south winds 5 to 15 knots. mostly sunny. waves 1 foot or
less.
.sunday...south winds 5 to 15 knots. partly sunny. waves around
1 foot.
.monday...north winds around 10 knots. partly sunny. waves 1 to
2 feet.
$$
(5/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970620
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz846-220900-
holland to grand haven mi-
1106 pm edt wed oct 21 2026
.rest of tonight...southeast winds around 5 knots. partly cloudy.
patchy fog. waves less than 1 foot.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. patchy fog. waves less than 1 foot.
.thursday night...north winds 5 to 10 knots veering east 10 to
15 knots after midnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 5 to 15 knots veering south early in the
afternoon. mostly sunny. waves 1 foot or less.
.friday night...southeast winds 5 to 15 knots. partly cloudy. waves
around 1 foot.
.saturday...southeast winds 10 to 15 knots veering south early in
the afternoon. mostly sunny. waves around 1 foot.
.sunday...south winds 10 to 15 knots. partly sunny. waves 1 to
3 feet.
.monday...northeast winds 10 to 15 knots. partly sunny. waves 1 to
2 feet.
$$
(6/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970618
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz848-220900-
whitehall to pentwater mi-
1106 pm edt wed oct 21 2026
.rest of tonight...south winds around 5 knots. partly cloudy. patchy
fog. waves 1 foot or less.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. patchy fog. waves less than 1 foot.
.thursday night...north winds 5 to 10 knots veering southeast 10 to
15 knots after midnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots. mostly sunny. waves around
1 foot.
.friday night...southeast winds 5 to 15 knots. partly cloudy. waves
around 1 foot.
.saturday...south winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.sunday...south winds 15 to 20 knots. mostly cloudy. waves 3 to
5 feet.
.monday...northeast winds 10 to 20 knots. partly sunny. waves 1 to
3 feet.
$$
(7/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970619
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz847-220900-
grand haven to whitehall mi-
1106 pm edt wed oct 21 2026
.rest of tonight...south winds around 5 knots backing east after
midnight. partly cloudy. patchy fog. waves 1 foot or less.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. areas of dense fog. waves less than 1 foot.
.thursday night...north winds 5 to 10 knots veering east 10 to
15 knots after midnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots veering south 5 to 10 knots
early in the afternoon. mostly sunny. waves 1 foot or less.
.friday night...southeast winds 5 to 15 knots. partly cloudy. waves
around 1 foot.
.saturday...south winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.sunday...south winds 10 to 20 knots. partly sunny. waves 2 to
4 feet.
.monday...north winds 10 to 15 knots. partly sunny. waves 1 to
2 feet.
$$
(8/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 11:06 PM America/New_York.
Valid through 10/22/2026 5:00 AM America/New_York.
fzus53 kgrr 220306
nshgrr
expires:202610220900;;970617
nearshore marine forecast
national weather service grand rapids mi
1106 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz849-220900-
pentwater to manistee mi-
1106 pm edt wed oct 21 2026
.rest of tonight...south winds around 5 knots. partly cloudy. patchy
fog. waves 1 foot or less.
.thursday...east winds around 5 knots backing north early in the
afternoon. partly sunny. patchy fog. waves less than 1 foot.
.thursday night...north winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots veering south early in the
afternoon. mostly sunny. waves 1 foot or less.
.friday night...south winds 5 to 15 knots. partly cloudy. waves
around 1 foot.
.saturday...south winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet building to 3 to 5 feet in the late morning and afternoon.
.sunday...south winds 10 to 20 knots. mostly cloudy. waves 3 to
5 feet.
.monday...northeast winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet.
$$
(9/15)
Latest Nearshore Marine Forecast by KIWX
Issued 10/21/2026 9:58 PM America/New_York.
Valid through 10/22/2026 4:15 AM America/New_York.
fzus53 kiwx 220158
nshiwx
expires:202610220815;;968601
nearshore marine forecast
national weather service northern indiana
958 pm edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-220815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
958 pm edt wed oct 21 2026
.overnight...light and variable winds. mostly clear. waves
1 foot or less.
.thursday...light and variable winds. sunny. waves 1 foot or
less.
.thursday night...north winds less than 10 knots becoming
southeast. partly cloudy. waves 1 foot or less.
.friday...southeast winds less than 10 knots. sunny. waves 1 foot
or less.
the water temperature at st. joseph and michigan city is 59
degrees.
$$
(10/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/21/2026 9:14 PM US/Central.
Valid through 10/22/2026 4:30 AM US/Central.
fzus53 klot 220214
nshlot
expires:202610220930;;969485
nearshore marine forecast
national weather service chicago/romeoville il
914 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-220930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
914 pm cdt wed oct 21 2026
.rest of tonight...light and variable winds of around 5 kts or
less. clear. waves 1 ft or less.
.thursday...northwest winds around 5 kt becoming north 5 to 10 kt
in the afternoon. sunny. waves 1 ft or less.
.thursday night...northeast winds around 10 kt becoming southeast
overnight. partly cloudy. waves around 1 ft.
.friday...southeast winds around 10 kt. partly cloudy in the
morning then clearing. waves 1 ft or less.
$$
(11/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/21/2026 9:14 PM US/Central.
Valid through 10/22/2026 4:30 AM US/Central.
fzus53 klot 220214
nshlot
expires:202610220930;;969484
nearshore marine forecast
national weather service chicago/romeoville il
914 pm cdt wed oct 21 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>742-220930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
914 pm cdt wed oct 21 2026
.rest of tonight...light and variable winds of around 5 kts or
less. clear. waves 1 ft or less.
.thursday...north winds around 5 kt becoming northeast 5 to 10 kt
in the afternoon. sunny. waves 1 ft or less.
.thursday night...northeast winds around 10 kt becoming southeast
overnight. partly cloudy. waves around 1 ft.
.friday...southeast winds around 10 kt. partly cloudy in the
morning then clearing. waves 1 to 2 ft.
$$
(12/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 11:10 PM US/Central.
Valid through 10/22/2026 5:00 AM US/Central.
fzus53 kmkx 220410
nshmkx
expires:202610221000;;972840
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz643-221000-
sheboygan to port washington wi-
1110 pm cdt wed oct 21 2026
.rest of tonight...west wind 5 knots becoming northwest early in
the morning. clear. waves around 1 foot.
.thursday...north wind 5 to 10 knots veering northeast in the
afternoon. sunny. waves nearly calm.
.thursday night...northeast wind 5 to 10 knots veering southeast
early in the morning. partly cloudy. waves nearly calm.
.friday...south wind 5 to 10 knots rising to 10 to 15 knots in
the afternoon. partly sunny. waves around 1 foot.
$$
(13/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 11:10 PM US/Central.
Valid through 10/22/2026 5:00 AM US/Central.
fzus53 kmkx 220410
nshmkx
expires:202610221000;;972841
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz644-221000-
port washington to north point light wi-
1110 pm cdt wed oct 21 2026
.rest of tonight...west wind 5 knots veering northwest early in
the morning. clear. waves around 1 foot.
.thursday...north wind 5 to 10 knots veering northeast late in
the afternoon. sunny. waves nearly calm.
.thursday night...northeast wind 5 to 10 knots veering southeast
early in the morning. partly cloudy. waves nearly calm.
.friday...south wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. partly sunny. waves around 1 foot.
$$
(14/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 11:10 PM US/Central.
Valid through 10/22/2026 5:00 AM US/Central.
fzus53 kmkx 220410
nshmkx
expires:202610221000;;972842
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz645-221000-
north point light to wind point wi-
1110 pm cdt wed oct 21 2026
.rest of tonight...west wind 5 to 10 knots veering northwest
early in the morning. clear. waves nearly calm.
.thursday...north wind 5 to 10 knots veering northeast late in
the afternoon. sunny. waves nearly calm.
.thursday night...east wind 5 to 10 knots veering southeast early
in the morning. partly cloudy. waves nearly calm.
.friday...southeast wind 5 to 10 knots veering south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
partly sunny. waves around 1 foot.
$$
(15/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 11:10 PM US/Central.
Valid through 10/22/2026 5:00 AM US/Central.
fzus53 kmkx 220410
nshmkx
expires:202610221000;;972843
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz646-221000-
wind point wi to winthrop harbor il-
1110 pm cdt wed oct 21 2026
.rest of tonight...west wind 5 to 10 knots veering northwest
early in the morning. clear. waves nearly calm.
.thursday...north wind 5 to 10 knots veering northeast late in
the afternoon. sunny. waves nearly calm.
.thursday night...northeast wind 5 to 10 knots veering southeast
early in the morning. partly cloudy. waves nearly calm.
.friday...southeast wind 5 to 10 knots veering south late in the
morning, then becoming southeast 10 to 15 knots in the afternoon.
partly sunny. waves around 1 foot.
$$
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