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(1/10)
Latest Nearshore Marine Forecast by KAPX
Issued 10/21/2025 2:47 AM America/New_York.
Valid through 10/21/2025 11:00 AM America/New_York.
fzus53 kapx 210647
nshapx
expires:202510211500;;494314
nearshore marine forecast
national weather service gaylord mi
247 am edt tue oct 21 2025
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.
lmz346-211500-
manistee to point betsie mi-
247 am edt tue oct 21 2025
...small craft advisory in effect through wednesday morning...
.today...southwest wind 15 to 25 knots. chance of showers early
in the morning, then slight chance of showers in the morning.
rain showers likely in the afternoon. waves 5 to 8 feet subsiding
to 4 to 7 feet in the afternoon. waves occasionally around
10 feet.
.tonight...west wind up to 30 knots. rain showers and slight
chance of thunderstorms. waves 4 to 7 feet.
.wednesday...northwest wind 15 to 25 knots. rain showers. waves
5 to 8 feet.
.wednesday night...northwest wind 15 to 25 knots with gusts to
around 35 knots. rain showers. waves 4 to 7 feet.
winds and waves higher in the vicinity of thunderstorms.
see the open lakes forecast for days 3 through 5.
$$
(2/10)
Latest Nearshore Marine Forecast by KGRB
Issued 10/21/2025 6:38 AM US/Central.
Valid through 10/21/2025 3:00 PM US/Central.
fzus53 kgrb 211138
nshgrb
expires:202510212000;;506906
nearshore marine forecast
national weather service green bay wi
638 am cdt tue oct 21 2025
for waters within five nautical miles of the shore on lake michigan
lmz542-543-212000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
638 am cdt tue oct 21 2025
...small craft advisory in effect through wednesday evening...
.today...w wind 15 to 25 kts. a chance of rain showers. waves
3 to 5 ft subsiding to 1 to 3 ft in the afternoon.
.tonight...w wind 15 to 25 kts with gusts to around 30 kts. light
rain showers likely. waves 1 to 3 ft building to 2 to 4 ft early
in the morning.
.wednesday...nw wind 15 to 25 kts with gusts to around 30 kts. a
chance of rain showers. waves 2 to 4 ft subsiding to 1 to 3 ft
early in the afternoon, then building to 2 to 4 ft late in the
afternoon.
.wednesday night...nw wind 15 to 25 kts. a chance of rain
showers. waves 2 to 4 ft subsiding to 1 to 3 ft in the late
evening and overnight.
$$
(3/10)
Latest Nearshore Marine Forecast by KIWX
Issued 10/21/2025 3:59 AM America/New_York.
Valid through 10/21/2025 10:15 AM America/New_York.
fzus53 kiwx 210759
nshiwx
expires:202510211415;;496702
nearshore marine forecast
national weather service northern indiana
359 am edt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz043-211415-
new buffalo mi to st joseph mi-
359 am edt tue oct 21 2025
...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect from 1 pm edt this afternoon through
wednesday evening...
.today...west winds 15 to 25 knots increasing to 25 to 30 knots
with gusts up to 35 knot gales. a chance of showers late this
morning. showers with a slight chance of thunderstorms this
afternoon. waves 5 to 8 feet.
.tonight...west winds 25 to 30 knots. gusts up to 35 knot gales.
showers with a slight chance of thunderstorms in the evening,
then showers overnight. waves 7 to 11 feet.
.wednesday...west gales to 35 knots. gusts up to 35 to 40 knot
gales. showers likely. waves 9 to 13 feet.
.wednesday night...west winds 25 to 30 knots becoming northwest.
gusts 35 to 40 knot gales. showers likely. waves 8 to 12 feet
subsiding to 7 to 10 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph and at michigan city is 60
degrees.
$$
(4/10)
Latest Nearshore Marine Forecast by KIWX
Issued 10/21/2025 3:59 AM America/New_York.
Valid through 10/21/2025 10:15 AM America/New_York.
fzus53 kiwx 210759
nshiwx
expires:202510211415;;496701
nearshore marine forecast
national weather service northern indiana
359 am edt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz046-211415-
michigan city in to new buffalo mi-
359 am edt tue oct 21 2025
...small craft advisory in effect until 1 pm edt this afternoon...
...gale warning in effect from 1 pm edt this afternoon through
wednesday evening...
.today...west winds 15 to 25 knots increasing to 25 to 30 knots.
gusts up to 35 knot gales. a slight chance of showers late this
morning. showers likely with a slight chance of thunderstorms this
afternoon. waves 3 to 6 feet building to 4 to 7 feet.
.tonight...west winds 25 to 30 knots. gusts up to 35 knot gales.
showers with a slight chance of thunderstorms in the evening,
then showers overnight. waves 6 to 9 feet.
.wednesday...west winds 25 to 30 knots. gusts up to 35 knot
gales. showers likely in the morning, then a chance of showers in
the afternoon. waves 6 to 10 feet.
.wednesday night...west winds 25 to 30 knots becoming northwest.
gusts up to 35 knot gales. showers likely. waves 6 to 9 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph and at michigan city is 60
degrees.
$$
(5/10)
Latest Nearshore Marine Forecast by KLOT
Issued 10/21/2025 3:14 AM US/Central.
Valid through 10/21/2025 10:15 AM US/Central.
fzus53 klot 210814
nshlot
expires:202510211515;;498257
nearshore marine forecast
national weather service chicago/romeoville il
314 am cdt tue oct 21 2025
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>743-211515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
314 am cdt tue oct 21 2025
...small craft advisory in effect until noon cdt today...
...gale warning in effect from noon cdt today through wednesday
morning...
.today...west winds 20 to 25 kt increasing to 35 kt gales.
showers likely in the afternoon. waves 2 to 4 ft building to 4 to
6 ft occasionally to 8 ft.
.tonight...west gales to 35 kt. showers likely in the evening,
then slight chance of showers overnight. waves 4 to 6 ft
occasionally to 8 ft.
.wednesday...west gales to 35 kt diminishing to 30 kt in the
morning. mostly cloudy. waves 3 to 5 ft.
.wednesday night...northwest winds to 30 kt diminishing to 15 to
25 kt. mostly cloudy in the evening, then becoming partly cloudy.
waves 3 to 5 ft.
$$
(6/10)
Latest Nearshore Marine Forecast by KLOT
Issued 10/21/2025 3:14 AM US/Central.
Valid through 10/21/2025 10:15 AM US/Central.
fzus53 klot 210814
nshlot
expires:202510211515;;498258
nearshore marine forecast
national weather service chicago/romeoville il
314 am cdt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz744-745-211515-
gary to burns harbor in-burns harbor to michigan city in-
314 am cdt tue oct 21 2025
...small craft advisory in effect until noon cdt today...
...gale warning in effect from noon cdt today through wednesday
morning...
.today...west winds to 30 kt increasing to 35 kt gales. chance of
showers in the afternoon. waves 4 to 6 ft occasionally to 8 ft
building to 5 to 8 ft occasionally to 10 ft.
.tonight...west gales to 40 kt. showers likely in the evening,
then chance of showers overnight. waves 6 to 9 ft occasionally to
12 ft.
.wednesday...west gales to 35 kt diminishing to 30 kt late in the
morning. slight chance of showers in the afternoon. waves 6 to 9
ft occasionally to 12 ft.
.wednesday night...northwest winds to 30 kt diminishing to 15 to
25 kt. chance of showers. waves 5 to 8 ft occasionally to 10 ft.
$$
(7/10)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2025 7:10 AM US/Central.
Valid through 10/21/2025 11:00 AM US/Central.
fzus53 kmkx 211210
nshmkx
expires:202510211600;;508246
nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz646-211600-
wind point wi to winthrop harbor il-
710 am cdt tue oct 21 2025
...small craft advisory in effect through wednesday evening...
.today...west wind 15 to 20 knots becoming 15 to 25 knots in the
afternoon. gusts up to 30 knots. scattered showers early in the
afternoon. numerous showers late in the afternoon. waves 1 to
2 feet building to 2 to 4 feet in the afternoon.
.tonight...west wind 15 to 25 knots rising to up to 30 knots late
in the evening, then becoming west up to 30 knots after midnight.
gusts up to 35 knots. numerous showers through around midnight,
then scattered showers after midnight. waves 3 to 4 feet.
.wednesday...west wind up to 30 knots easing to 15 to 25 knots
late in the afternoon. gusts up to 35 knots. slight chance of
showers through the day. waves 3 to 5 feet subsiding to 3 to
4 feet in the afternoon.
.wednesday night...west wind 15 to 25 knots with gusts to around
30 knots veering northwest in the late evening and overnight.
mostly cloudy through around midnight then becoming partly
cloudy. waves 3 to 4 feet.
$$
(8/10)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2025 7:10 AM US/Central.
Valid through 10/21/2025 11:00 AM US/Central.
fzus53 kmkx 211210
nshmkx
expires:202510211600;;508243
nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz643-211600-
sheboygan to port washington wi-
710 am cdt tue oct 21 2025
...small craft advisory in effect through wednesday evening...
.today...west wind 15 to 25 knots easing to 10 to 20 knots late
in the morning, then rising to 15 to 25 knots in the afternoon.
gusts up to 30 knots. scattered showers in the afternoon. waves
3 to 4 feet.
.tonight...west wind 15 to 25 knots becoming northwest up to
30 knots early in the morning. numerous showers. waves 3 to
4 feet.
.wednesday...northwest wind up to 30 knots. scattered showers.
waves 3 to 5 feet subsiding to 3 to 4 feet in the afternoon.
.wednesday night...northwest wind up to 30 knots easing to 15 to
25 knots after midnight. mostly cloudy. waves 3 to 4 feet.
$$
(9/10)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2025 7:10 AM US/Central.
Valid through 10/21/2025 11:00 AM US/Central.
fzus53 kmkx 211210
nshmkx
expires:202510211600;;508244
nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz644-211600-
port washington to north point light wi-
710 am cdt tue oct 21 2025
...small craft advisory in effect through wednesday evening...
.today...west wind 15 to 20 knots becoming 15 to 25 knots in the
afternoon. gusts up to 30 knots. scattered showers early in the
afternoon. numerous showers late in the afternoon. waves 2 to
4 feet subsiding to 1 to 2 feet late in the morning, then
building to 2 to 4 feet in the afternoon.
.tonight...west wind 15 to 25 knots rising to up to 30 knots late
in the evening, then easing to 15 to 25 knots after midnight
rising to up to 30 knots early in the morning. gusts up to
35 knots. scattered showers. waves 3 to 4 feet.
.wednesday...northwest wind up to 30 knots with gusts to around
35 knots. isolated showers in the morning, then chance of showers
in the afternoon. waves 3 to 4 feet building to 3 to 5 feet in
the late morning and afternoon.
.wednesday night...west wind up to 30 knots veering northwest
late in the evening, then easing to 15 to 25 knots after
midnight. mostly cloudy. waves 3 to 5 feet subsiding to 3 to
4 feet in the late evening and overnight.
$$
(10/10)
Latest Nearshore Marine Forecast by KMKX
Issued 10/21/2025 7:10 AM US/Central.
Valid through 10/21/2025 11:00 AM US/Central.
fzus53 kmkx 211210
nshmkx
expires:202510211600;;508245
nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt tue oct 21 2025
for waters within five nautical miles of shore on lake michigan
lmz645-211600-
north point light to wind point wi-
710 am cdt tue oct 21 2025
...small craft advisory in effect through wednesday evening...
.today...west wind 15 to 20 knots becoming 15 to 25 knots in the
afternoon. gusts up to 30 knots. scattered showers early in the
afternoon. numerous showers late in the afternoon. waves 2 to
4 feet subsiding to 1 to 2 feet late in the morning, then
building to 3 to 4 feet in the afternoon.
.tonight...west wind 15 to 25 knots rising to up to 30 knots late
in the evening, then becoming west up to 30 knots after midnight.
gusts up to 35 knots. numerous showers through around midnight,
then scattered showers after midnight. waves 3 to 4 feet building
to 3 to 5 feet early in the morning.
.wednesday...west wind up to 30 knots with gusts to around
35 knots. isolated showers in the morning, then chance of showers
in the afternoon. waves 3 to 5 feet.
.wednesday night...northwest wind up to 30 knots easing to 15 to
25 knots after midnight. mostly cloudy. waves 3 to 5 feet
subsiding to 3 to 4 feet after midnight.
$$
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