(1/15)
Latest Nearshore Marine Forecast by KAPX
Issued 10/20/2026 10:17 PM America/New_York.
Valid through 10/21/2026 6:30 AM America/New_York.
fzus53 kapx 210217
nshapx
expires:202610211030;;915247
nearshore marine forecast
national weather service gaylord mi
1017 pm edt tue oct 20 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.
lmz346-211030-
manistee to point betsie mi-
1017 pm edt tue oct 20 2026
.overnight...south wind 5 to 10 knots. patchy fog after midnight.
waves 2 feet or less.
.wednesday...southwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less.
.wednesday night...light winds. partly cloudy. waves 2 feet or
less.
.thursday...light winds. mostly sunny. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/15)
Latest Nearshore Marine Forecast by KGRB
Issued 10/21/2026 1:24 AM US/Central.
Valid through 10/21/2026 5:00 AM US/Central.
fzus53 kgrb 210624
nshgrb
expires:202610211000;;923231
nearshore marine forecast
national weather service green bay wi
124 am cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz541>543-211000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt wed oct 21 2026
.rest of the night...sw wind 5 to 10 kts. waves 2 ft or less.
patchy fog.
.wednesday...sw wind 5 to 10 kts. waves 2 ft or less. patchy fog
in the morning.
.wednesday night...sw wind around 5 kts veering nw, then veering
n after midnight. waves 2 ft or less. mostly clear.
.thursday...ne wind 5 to 10 kts. waves 2 ft or less. partly
sunny.
$$
(3/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923041
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz848-210800-
whitehall to pentwater mi-
223 am edt wed oct 21 2026
.rest of tonight...southeast winds around 10 knots. mostly clear.
waves 1 foot or less.
.wednesday...south winds around 10 knots veering southwest early in
the afternoon. sunny. waves around 1 foot.
.wednesday night...south winds 5 to 10 knots backing southeast after
midnight. partly cloudy. waves 1 foot or less.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. 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 veering south early in the
afternoon. sunny. waves around 1 foot.
.saturday...south winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet.
.sunday...southwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet.
$$
(4/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923042
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz847-210800-
grand haven to whitehall mi-
223 am edt wed oct 21 2026
.rest of tonight...southeast winds 10 to 15 knots. clear. waves
1 foot or less.
.wednesday...south winds 5 to 15 knots. sunny. waves around 1 foot.
.wednesday night...south winds around 5 knots backing east after
midnight. partly cloudy. waves 1 foot or less.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves less than 1 foot.
.thursday night...north winds 5 to 10 knots veering east 10 to
15 knots after midnight. mostly clear. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots veering south 5 to 10 knots
early in the afternoon. sunny. waves around 1 foot.
.saturday...south winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.sunday...southwest winds 10 to 20 knots. partly sunny. waves 3 to
5 feet.
$$
(5/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923043
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz846-210800-
holland to grand haven mi-
223 am edt wed oct 21 2026
.rest of tonight...south winds 10 to 15 knots. clear. waves 1 foot
or less.
.wednesday...south winds 5 to 15 knots. sunny. waves around 1 foot.
.wednesday night...south winds around 5 knots backing east after
midnight. partly cloudy. waves 1 foot or less.
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly sunny. waves less than 1 foot.
.thursday night...north winds 5 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots veering south 5 to 10 knots
early in the afternoon. sunny. waves 1 foot or less.
.saturday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet.
.sunday...southwest winds 10 to 20 knots. partly sunny. waves 2 to
4 feet.
$$
(6/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923045
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz844-210800-
st joseph to south haven mi-
223 am edt wed oct 21 2026
.rest of tonight...south winds 10 to 15 knots. clear. waves less
than 1 foot.
.wednesday...south winds 5 to 15 knots veering west around 5 knots
early in the afternoon. sunny. waves 1 foot or less.
.wednesday night...north winds around 5 knots veering southeast in
the late evening and overnight. mostly clear. waves less than
1 foot.
.thursday...east winds around 5 knots backing north early in the
afternoon. sunny. waves calm.
.thursday night...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves less than 1 foot.
.friday...southeast winds 5 to 10 knots. sunny. waves less than
1 foot.
.saturday...south winds 5 to 15 knots. sunny. waves 1 foot or less.
.sunday...south winds 10 to 15 knots veering southwest 5 to 10 knots
early in the afternoon. partly sunny. waves around 1 foot.
$$
(7/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923044
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz845-210800-
south haven to holland mi-
223 am edt wed oct 21 2026
.rest of tonight...south winds 10 to 15 knots. clear. waves less
than 1 foot.
.wednesday...south winds 10 to 15 knots veering southwest 5 to
10 knots early in the afternoon. sunny. waves 1 foot or less.
.wednesday night...southwest winds around 5 knots backing southeast
in the late evening and overnight. 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. mostly clear. waves less than 1 foot.
.friday...southeast winds 5 to 10 knots veering south early in the
afternoon. sunny. waves less than 1 foot.
.saturday...south winds 5 to 15 knots. mostly sunny. waves 1 foot or
less.
.sunday...south winds 10 to 15 knots veering southwest early in the
afternoon. partly sunny. waves 1 to 2 feet.
$$
(8/15)
Latest Nearshore Marine Forecast by KGRR
Issued 10/21/2026 2:23 AM America/New_York.
Valid through 10/21/2026 4:00 AM America/New_York.
fzus53 kgrr 210623
nshgrr
expires:202610210800;;923040
nearshore marine forecast
national weather service grand rapids mi
223 am edt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz849-210800-
pentwater to manistee mi-
223 am edt wed oct 21 2026
.rest of tonight...south winds 10 to 15 knots. mostly clear. waves
1 foot or less.
.wednesday...south winds 10 to 15 knots. sunny. waves 1 foot or
less.
.wednesday night...southwest winds around 10 knots backing south
after midnight. partly cloudy. waves 1 foot or less.
.thursday...east winds 5 to 15 knots backing north early in the
afternoon. mostly sunny. waves less than 1 foot.
.thursday night...north winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves 1 foot or less.
.friday...southeast winds 10 to 15 knots veering south early in the
afternoon. sunny. waves around 1 foot.
.saturday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet building to 3 to 5 feet in the late morning and afternoon.
.sunday...southwest winds 10 to 20 knots. mostly cloudy. waves 3 to
5 feet.
$$
(9/15)
Latest Nearshore Marine Forecast by KIWX
Issued 10/20/2026 9:41 PM America/New_York.
Valid through 10/21/2026 4:15 AM America/New_York.
fzus53 kiwx 210141
nshiwx
expires:202610210815;;913963
nearshore marine forecast
national weather service northern indiana
941 pm edt tue oct 20 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-210815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
941 pm edt tue oct 20 2026
.overnight...east winds less than 10 knots becoming
southeast. mostly clear. waves 1 foot or less.
.wednesday...south winds less than 10 knots. sunny. waves 1 foot
or less.
.wednesday night...light and variable winds. partly cloudy. waves
1 foot or less.
.thursday...light and variable winds. sunny. waves 1 foot or
less.
the water temperature at st. joseph and michigan city is 59
degrees.
$$
(10/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/20/2026 9:45 PM US/Central.
Valid through 10/21/2026 9:45 AM US/Central.
fzus53 klot 210245
nshlot
expires:202610211445;;915696
nearshore marine forecast
national weather service chicago/romeoville il
945 pm cdt tue oct 20 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743>745-211445-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
945 pm cdt tue oct 20 2026
.rest of tonight...east winds around 5 kt becoming south late.
clear. waves 1 ft or less.
.wednesday...light and variable winds becoming east around 10 kt
in the afternoon. mostly sunny. waves 1 ft or less.
.wednesday night...southeast winds less than 10 kt becoming
light and variable in the evening. mostly clear. waves 1 ft or
less.
.thursday...light and variable winds becoming northeast around 10
kt. mostly sunny. waves 1 ft or less.
$$
(11/15)
Latest Nearshore Marine Forecast by KLOT
Issued 10/20/2026 9:45 PM US/Central.
Valid through 10/21/2026 9:45 AM US/Central.
fzus53 klot 210245
nshlot
expires:202610211445;;915695
nearshore marine forecast
national weather service chicago/romeoville il
945 pm cdt tue oct 20 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>742-211445-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
945 pm cdt tue oct 20 2026
.rest of tonight...east winds around 5 kt becoming south late.
clear. waves around 1 ft.
.wednesday...light and variable winds becoming east around 10 kt
in the afternoon. mostly sunny. waves 1 ft or less.
.wednesday night...southeast winds less than 10 kt becoming
light and variable in the evening. mostly clear. waves 1 ft or
less.
.thursday...light and variable winds becoming northeast around 10
kt. mostly sunny. waves 1 ft or less.
$$
(12/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 1:10 AM US/Central.
Valid through 10/21/2026 4:00 AM US/Central.
fzus53 kmkx 210610
nshmkx
expires:202610210900;;922411
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz646-210900-
wind point wi to winthrop harbor il-
110 am cdt wed oct 21 2026
.rest of tonight...southwest wind 5 to 10 knots easing to 5 knots
early in the morning. patchy fog. waves nearly calm.
.wednesday...southwest wind 5 to 10 knots backing south late in
the afternoon. patchy fog in the morning. waves nearly calm.
.wednesday night...south wind 5 to 10 knots veering northwest
early in the morning. mostly clear. waves nearly calm.
.thursday...northwest wind 5 to 10 knots veering northeast in the
afternoon. sunny. waves around 1 foot.
$$
(13/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 1:10 AM US/Central.
Valid through 10/21/2026 4:00 AM US/Central.
fzus53 kmkx 210610
nshmkx
expires:202610210900;;922410
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz645-210900-
north point light to wind point wi-
110 am cdt wed oct 21 2026
.rest of tonight...southwest wind 5 knots. partly cloudy. waves
nearly calm.
.wednesday...southwest wind 5 to 10 knots backing south late in
the afternoon. sunny. waves nearly calm.
.wednesday night...south wind 5 to 10 knots veering northwest
early in the morning. mostly clear. waves around 1 foot.
.thursday...north wind 5 to 10 knots veering northeast in the
afternoon. mostly sunny. waves around 1 foot.
$$
(14/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 1:10 AM US/Central.
Valid through 10/21/2026 4:00 AM US/Central.
fzus53 kmkx 210610
nshmkx
expires:202610210900;;922409
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz644-210900-
port washington to north point light wi-
110 am cdt wed oct 21 2026
.rest of tonight...southwest wind 5 knots. patchy fog. waves
nearly calm.
.wednesday...southwest wind 5 knots rising to 5 to 10 knots late
in the morning, then backing south early in the afternoon
becoming south 5 to 10 knots late in the afternoon. patchy fog in
the morning. waves nearly calm.
.wednesday night...south wind 5 to 10 knots becoming southwest
late in the evening, then veering west after midnight veering
northwest early in the morning. mostly clear. waves nearly calm.
.thursday...north wind 5 to 10 knots veering northeast in the
afternoon. mostly sunny. waves around 1 foot.
$$
(15/15)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2026 1:10 AM US/Central.
Valid through 10/21/2026 4:00 AM US/Central.
fzus53 kmkx 210610
nshmkx
expires:202610210900;;922408
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt wed oct 21 2026
for waters within five nautical miles of shore on lake michigan
lmz643-210900-
sheboygan to port washington wi-
110 am cdt wed oct 21 2026
.rest of tonight...southwest wind 5 to 10 knots. patchy fog.
waves nearly calm.
.wednesday...southwest wind 5 to 10 knots backing south in the
afternoon. patchy fog in the morning. waves around 1 foot.
.wednesday night...south wind 5 to 10 knots becoming southwest
late in the evening, then veering west after midnight becoming
northwest early in the morning. partly cloudy. waves around
1 foot.
.thursday...north wind 5 to 10 knots veering northeast in the
afternoon. partly sunny. waves around 1 foot.
$$
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