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(1/17)
Latest Nearshore Marine Forecast by KAPX
Issued 9/19/2026 10:49 PM America/New_York.
Valid through 9/20/2026 7:00 AM America/New_York.
fzus53 kapx 200249
nshapx
expires:202609201100;;741349
nearshore marine forecast
national weather service gaylord mi
1049 pm edt sat sep 19 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.
lmz346-201100-
manistee to point betsie mi-
1049 pm edt sat sep 19 2026
...small craft advisory in effect from sunday morning through
late sunday night...
.overnight...northeast wind 10 to 15 knots. patchy fog early in
the evening. scattered showers early in the evening, then
isolated showers after midnight. waves 2 feet or less.
.sunday...northeast wind 10 to 25 knots. partly sunny. waves 2 to
4 feet.
.sunday night...northeast wind 10 to 20 knots. mostly cloudy.
waves 2 to 4 feet.
.monday...northeast wind 10 to 15 knots. mostly cloudy. waves
2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/17)
Latest Nearshore Marine Forecast by KGRB
Issued 9/20/2026 12:56 AM US/Central.
Valid through 9/20/2026 5:00 AM US/Central.
fzus53 kgrb 200556
nshgrb
expires:202609201000;;747406
nearshore marine forecast
national weather service green bay wi
1256 am cdt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz542-543-201000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1256 am cdt sun sep 20 2026
...small craft advisory in effect from 6 am cdt this morning
through tuesday evening...
.rest of the night...ne wind 10 to 20 kts. waves 1 to 3 ft
building to 2 to 4 ft after midnight. a chance of showers late in
the evening.
.sunday...ne wind to 30 kts with gale force gusts to around
35 kts. waves 4 to 7 ft building to 5 to 8 ft in the afternoon.
partly sunny.
.sunday night...ne wind to 30 kts. waves 6 to 10 ft. mostly
cloudy.
.monday...ne wind 15 to 25 kts. waves 4 to 7 ft. mostly cloudy.
$$
(3/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746782
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz849-200800-
pentwater to manistee mi-
116 am edt sun sep 20 2026
.rest of tonight...northeast winds 10 to 15 knots. cloudy with a
slight chance of rain showers. waves around 1 foot.
.sunday...northeast winds to 30 knots. partly sunny. waves 2 to
4 feet building to 4 to 6 feet in the late morning and afternoon.
.sunday night...northeast winds to 30 knots decreasing to 10 to
20 knots after midnight. partly cloudy. waves 4 to 6 feet subsiding
to 2 to 4 feet after midnight.
.monday...northeast winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet.
.monday night...east winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet.
.tuesday...northeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet.
.wednesday...east winds 10 to 20 knots. mostly sunny. waves around
1 foot.
.thursday...northeast winds 5 to 15 knots. mostly sunny. waves
1 foot or less.
$$
(4/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746783
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz848-200800-
whitehall to pentwater mi-
116 am edt sun sep 20 2026
.rest of tonight...northeast winds 10 to 20 knots. cloudy with a
slight chance of showers and thunderstorms. waves around 1 foot.
.sunday...northeast winds to 30 knots. mostly cloudy. waves 2 to
4 feet building to 4 to 6 feet early in the afternoon.
.sunday night...northeast winds to 30 knots decreasing to 15 to
20 knots after midnight. partly cloudy. waves 5 to 7 feet subsiding
to 1 to 3 feet after midnight.
.monday...northeast winds 15 to 20 knots. mostly cloudy. waves 1 to
3 feet.
.monday night...east winds 15 to 25 knots. mostly cloudy. waves 1 to
2 feet.
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
2 feet.
.wednesday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet.
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
1 foot or less.
$$
(5/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746784
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz847-200800-
grand haven to whitehall mi-
116 am edt sun sep 20 2026
.rest of tonight...northeast winds 10 to 20 knots. rain showers
likely and a slight chance of thunderstorms. waves 1 foot or less.
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
slight chance of rain showers. waves 1 to 2 feet.
.sunday night...northeast winds 15 to 25 knots. partly cloudy. waves
2 to 4 feet.
.monday...northeast winds 15 to 25 knots. mostly cloudy. waves 1 to
3 feet.
.monday night...northeast winds 15 to 25 knots. mostly cloudy. waves
1 to 3 feet.
.tuesday...northeast winds 15 to 25 knots. mostly cloudy. waves 1 to
3 feet.
.wednesday...east winds 15 to 25 knots. partly sunny with a chance
of rain showers. waves 1 to 2 feet.
.thursday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less.
$$
(6/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746786
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz845-200800-
south haven to holland mi-
116 am edt sun sep 20 2026
.rest of tonight...northeast winds 10 to 15 knots. rain showers and
a chance of thunderstorms. waves 1 foot or less.
.sunday...northeast winds 15 to 25 knots. rain showers likely. waves
1 to 3 feet.
.sunday night...northeast winds 15 to 25 knots. partly cloudy. waves
2 to 4 feet.
.monday...east winds 20 to 25 knots. mostly cloudy. waves 1 to
3 feet.
.monday night...northeast winds 15 to 25 knots. mostly cloudy. waves
1 to 3 feet.
.tuesday...northeast winds 20 to 25 knots. mostly cloudy. waves 1 to
2 feet.
.wednesday...northeast winds 15 to 20 knots. partly sunny with a
chance of rain showers. waves 1 to 2 feet.
.thursday...northeast winds 10 to 15 knots. partly sunny. waves
1 foot or less.
$$
(7/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746785
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz846-200800-
holland to grand haven mi-
116 am edt sun sep 20 2026
.rest of tonight...northeast winds 10 to 15 knots. cloudy with a
chance of showers and thunderstorms. waves 1 foot or less.
.sunday...northeast winds 15 to 25 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet.
.sunday night...northeast winds 15 to 25 knots. partly cloudy. waves
1 to 3 feet.
.monday...east winds 20 to 25 knots. mostly cloudy. waves 2 to
4 feet.
.monday night...northeast winds 20 to 25 knots. mostly cloudy. waves
1 to 3 feet.
.tuesday...northeast winds 20 to 25 knots. mostly cloudy. waves 1 to
3 feet.
.wednesday...northeast winds 20 to 25 knots. partly sunny with a
chance of rain showers. waves 1 to 3 feet.
.thursday...northeast winds 10 to 15 knots. partly sunny. waves
around 1 foot.
$$
(8/17)
Latest Nearshore Marine Forecast by KGRR
Issued 9/20/2026 1:16 AM America/New_York.
Valid through 9/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200516
nshgrr
expires:202609200800;;746787
nearshore marine forecast
national weather service grand rapids mi
116 am edt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
lmz844-200800-
st joseph to south haven mi-
116 am edt sun sep 20 2026
.rest of tonight...east winds 10 to 15 knots. rain showers and a
chance of thunderstorms. waves less than 1 foot.
.sunday...northeast winds 15 to 20 knots. rain showers and a slight
chance of thunderstorms. waves 2 to 4 feet.
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
2 to 4 feet building to 3 to 5 feet in the late evening and
overnight.
.monday...east winds 15 to 25 knots. mostly cloudy with a slight
chance of rain showers. waves 2 to 4 feet.
.monday night...northeast winds 15 to 25 knots. mostly cloudy. waves
2 to 4 feet.
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
3 feet.
.wednesday...northeast winds 15 to 20 knots. partly sunny. waves
1 to 2 feet.
.thursday...northeast winds 10 to 15 knots. partly sunny. waves
1 foot or less.
$$
(9/17)
Latest Nearshore Marine Forecast by KIWX
Issued 9/19/2026 10:03 PM America/New_York.
Valid through 9/20/2026 4:15 AM America/New_York.
fzus53 kiwx 200203
nshiwx
expires:202609200815;;739909
nearshore marine forecast
national weather service northern indiana
1003 pm edt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz043-200815-
new buffalo mi to st joseph mi-
1003 pm edt sat sep 19 2026
.overnight...east winds 10 knots or less becoming
southwest. showers with a chance of thunderstorms. waves 1 foot
or less.
.sunday...north winds 10 to 15 knots becoming northeast. gusts up
to 25 knots. showers with a chance of thunderstorms. waves 1 to 3
feet.
.sunday night...northeast winds 15 to 20 knots becoming east.
gusts up to 25 knots. a chance of showers in the evening. waves
1 to 3 feet building to 2 to 4 feet.
.monday...east winds 10 to 15 knots becoming northeast. a chance
of showers. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 53 degrees and at michigan
city is 52 degrees.
$$
(10/17)
Latest Nearshore Marine Forecast by KIWX
Issued 9/19/2026 10:03 PM America/New_York.
Valid through 9/20/2026 4:15 AM America/New_York.
fzus53 kiwx 200203
nshiwx
expires:202609200815;;739910
nearshore marine forecast
national weather service northern indiana
1003 pm edt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz046-200815-
michigan city in to new buffalo mi-
1003 pm edt sat sep 19 2026
.overnight...southeast winds 10 knots or less becoming
southwest. showers with a chance of thunderstorms. waves 1 foot
or less.
.sunday...north winds 10 to 15 knots becoming northeast 15 to
20 knots. gusts up to 25 knots. showers with a chance of
thunderstorms. waves 2 feet or less building to 2 to 4 feet.
.sunday night...northeast winds 15 to 20 knots becoming east.
gusts up to 25 knots. a chance of showers in the evening, then a
slight chance of showers overnight. waves 2 to 4 feet.
.monday...east winds 15 to 20 knots becoming northeast. gusts up
to 25 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 53 degrees and at michigan
city is 52 degrees.
$$
(11/17)
Latest Nearshore Marine Forecast by KLOT
Issued 9/20/2026 12:03 AM US/Central.
Valid through 9/20/2026 4:15 AM US/Central.
fzus53 klot 200503 aaa
nshlot
expires:202609200915;;745786
nearshore marine forecast...updated
national weather service chicago/romeoville il
1203 am cdt sun sep 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.
lmz745-200915-
burns harbor to michigan city in-
1203 am cdt sun sep 20 2026
...dense fog advisory in effect until 9 am cdt sunday...
...small craft advisory in effect from sunday afternoon through
monday morning...
.rest of tonight...southeast winds around 10 kt becoming north
and increasing to 15 to 20 kt late. showers with thunderstorms
likely. areas of dense fog. waves 1 to 2 feet.
.sunday...north winds 10 to 15 kt becoming northeast and
increasing to 20 to 25 kt during the afternoon. showers and
slight chance of thunderstorms in the morning, then showers likely
in the afternoon. areas of dense fog early. waves 1 to 3 ft
building to 4 to 6 ft occasionally to 8 ft.
.sunday night...northeast winds 15 to 25 kt becoming east. chance
of showers in the evening, then slight chance of showers
overnight. waves 4 to 6 ft occasionally to 8 ft.
.monday...east winds 15 to 25 kt becoming northeast. chance of
showers. waves 3 to 5 ft.
$$
(12/17)
Latest Nearshore Marine Forecast by KLOT
Issued 9/20/2026 12:03 AM US/Central.
Valid through 9/20/2026 4:15 AM US/Central.
fzus53 klot 200503 aaa
nshlot
expires:202609200915;;745785
nearshore marine forecast...updated
national weather service chicago/romeoville il
1203 am cdt sun sep 20 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz743-744-200915-
calumet harbor il to gary in-gary to burns harbor in-
1203 am cdt sun sep 20 2026
...dense fog advisory in effect until 9 am cdt sunday...
...small craft advisory in effect from 10 am cdt sunday through
tuesday evening...
.rest of tonight...southeast winds around 10 kt becoming north
and increasing to 15 to 20 kt late. showers with thunderstorms
likely. areas of dense fog. waves 1 to 2 ft.
.sunday...north winds 10 to 20 kt becoming northeast and
increasing to 30 kt. showers and slight chance of thunderstorms
in the morning, then showers likely in the afternoon. areas of
dense fog early. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
.sunday night...northeast winds to 30 kt becoming east 15 to
25 kt. chance of showers in the evening, then slight chance of
showers overnight. waves 4 to 7 ft occasionally to 9 ft.
.monday...east winds 15 to 20 kt becoming northeast 20 to 25 kt.
chance of showers. waves 4 to 7 ft occasionally to 9 ft.
$$
(13/17)
Latest Nearshore Marine Forecast by KLOT
Issued 9/20/2026 12:03 AM US/Central.
Valid through 9/20/2026 4:15 AM US/Central.
fzus53 klot 200503 aaa
nshlot
expires:202609200915;;745784
nearshore marine forecast...updated
national weather service chicago/romeoville il
1203 am cdt sun sep 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>742-200915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
1203 am cdt sun sep 20 2026
...dense fog advisory in effect until 9 am cdt sunday...
...small craft advisory in effect from 7 am cdt sunday through
tuesday evening...
.rest of tonight...southeast winds 10 to 20 kt becoming north and
increasing to 15 to 25 kt late. showers with thunderstorms likely.
areas of dense fog. waves 1 to 3 ft building to 2 to 4 ft.
.sunday...north winds 15 to 20 kt becoming northeast and
increasing to 30 kt. showers and slight chance of thunderstorms
in the morning, then chance of showers in the afternoon. areas of
dense fog early. waves 4 to 6 ft occasionally to 8 ft building
to 6 to 9 ft occasionally to 12 ft.
.sunday night...northeast winds to 30 kt becoming east 20 to
25 kt. slight chance of showers in the evening. waves 6 to 9 ft
occasionally to 12 ft.
.monday...east winds 20 to 25 kt becoming northeast to 30 kt.
chance of showers in the morning, then slight chance of showers
in the afternoon. waves 7 to 10 ft occasionally to 13 ft.
$$
(14/17)
Latest Nearshore Marine Forecast by KMKX
Issued 9/19/2026 11:10 PM US/Central.
Valid through 9/20/2026 5:00 AM US/Central.
fzus53 kmkx 200410
nshmkx
expires:202609201000;;744328
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz646-201000-
wind point wi to winthrop harbor il-
1110 pm cdt sat sep 19 2026
...small craft advisory in effect through tuesday evening...
.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog through the night.
showers likely after midnight. chance of thunderstorms through
the night. showers early in the morning. waves 1 to 2 feet.
.sunday...northeast wind 15 to 25 knots rising to up to 30 knots
in the late morning and early afternoon, then becoming northeast
up to 30 knots late in the afternoon. patchy fog in the morning.
showers and slight chance of thunderstorms in the morning. waves
3 to 4 feet building to 6 to 8 feet.
.sunday night...northeast wind up to 30 knots veering east after
midnight, then becoming east up to 30 knots early in the morning.
mostly cloudy. waves 6 to 8 feet.
.monday...east wind up to 30 knots backing northeast early in the
afternoon, then easing to 15 to 25 knots late in the afternoon.
slight chance of showers. waves 6 to 8 feet.
$$
(15/17)
Latest Nearshore Marine Forecast by KMKX
Issued 9/19/2026 11:10 PM US/Central.
Valid through 9/20/2026 5:00 AM US/Central.
fzus53 kmkx 200410
nshmkx
expires:202609201000;;744327
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz645-201000-
north point light to wind point wi-
1110 pm cdt sat sep 19 2026
...small craft advisory in effect through tuesday evening...
.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog. showers likely. waves
1 to 3 feet.
.sunday...northeast wind 15 to 25 knots rising to up to 30 knots
in the late morning and early afternoon, then becoming northeast
up to 30 knots late in the afternoon. patchy fog in the morning.
chance of showers in the morning. waves 3 to 4 feet building to
6 to 8 feet.
.sunday night...northeast wind up to 30 knots becoming east 15 to
25 knots after midnight, then rising to up to 30 knots early in
the morning. mostly cloudy. waves 7 to 9 feet.
.monday...east wind up to 30 knots backing northeast early in the
afternoon, then easing to 15 to 25 knots late in the afternoon.
slight chance of showers in the afternoon. waves 6 to 8 feet.
$$
(16/17)
Latest Nearshore Marine Forecast by KMKX
Issued 9/19/2026 11:10 PM US/Central.
Valid through 9/20/2026 5:00 AM US/Central.
fzus53 kmkx 200410
nshmkx
expires:202609201000;;744326
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz644-201000-
port washington to north point light wi-
1110 pm cdt sat sep 19 2026
...small craft advisory in effect through tuesday evening...
.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog through the night.
showers likely after midnight. chance of showers early in the
morning. waves 1 to 3 feet.
.sunday...northeast wind 15 to 25 knots rising to up to 30 knots
in the late morning and early afternoon, then rising to gales to
35 knots late in the afternoon. patchy fog in the morning. slight
chance of showers in the morning. waves 3 to 4 feet building to
6 to 8 feet.
.sunday night...northeast gales to 35 knots easing to up to
30 knots late in the evening, then becoming east 15 to 25 knots
after midnight. mostly cloudy. waves 7 to 9 feet.
.monday...east wind up to 30 knots backing northeast early in the
afternoon, then easing to 15 to 25 knots late in the afternoon.
slight chance of showers in the afternoon. waves 6 to 8 feet.
$$
(17/17)
Latest Nearshore Marine Forecast by KMKX
Issued 9/19/2026 11:10 PM US/Central.
Valid through 9/20/2026 5:00 AM US/Central.
fzus53 kmkx 200410
nshmkx
expires:202609201000;;744325
nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt sat sep 19 2026
for waters within five nautical miles of shore on lake michigan
lmz643-201000-
sheboygan to port washington wi-
1110 pm cdt sat sep 19 2026
...small craft advisory in effect through tuesday evening...
.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog through the night.
chance of showers after midnight. slight chance of showers early
in the morning. waves 1 to 3 feet building to 2 to 4 feet early
in the morning.
.sunday...northeast wind 15 to 25 knots rising to up to 30 knots
late in the morning, then becoming northeast up to 30 knots early
in the afternoon rising to gales to 35 knots late in the
afternoon. partly sunny. waves 3 to 4 feet building to 6 to
8 feet.
.sunday night...northeast gales to 35 knots easing to up to
30 knots late in the evening, then becoming east 15 to 25 knots
after midnight. mostly cloudy. waves 7 to 9 feet.
.monday...east wind 15 to 25 knots backing northeast late in the
afternoon. gusts up to 30 knots. mostly cloudy. waves 5 to
7 feet.
$$
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