(1/15)
Latest Nearshore Marine Forecast by KAPX
Issued 3/20/2026 2:20 AM America/New_York.
Valid through 3/20/2026 10:30 AM America/New_York.
fzus53 kapx 200620
nshapx
expires:202603201430;;989865
nearshore marine forecast
national weather service gaylord mi
220 am edt fri mar 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.
lmz345-346-201430-
point betsie to sleeping bear point mi-
manistee to point betsie mi-
220 am edt fri mar 20 2026
.today...south wind 10 to 15 knots becoming west 5 to 10 knots in
the morning, then becoming north in the afternoon. chance of
showers early in the morning, then slight chance of showers and
drizzle in the morning. patchy fog in the morning. waves 2 to
3 feet.
.tonight...northeast wind 5 to 10 knots. mostly cloudy. waves
2 feet or less.
.saturday...south wind 10 to 15 knots. mostly cloudy. waves
2 feet or less.
.saturday night...southwest wind 10 to 15 knots. chance of
showers. waves 2 feet or less.
see the open lakes forecast for days 3 through 5.
$$
(2/15)
Latest Nearshore Marine Forecast by KGRB
Issued 3/20/2026 1:24 AM US/Central.
Valid through 3/20/2026 5:00 AM US/Central.
fzus53 kgrb 200624
nshgrb
expires:202603201000;;990294
nearshore marine forecast
national weather service green bay wi
124 am cdt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz542-543-201000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt fri mar 20 2026
.rest of the night...sw wind 10 to 15 kts. waves 1 to 3 ft.
mostly cloudy.
.friday...nw wind 10 to 15 kts veering n 5 to 10 kts early in the
afternoon. waves 1 to 3 ft. partly sunny.
.friday night...n wind 5 to 10 kts backing s in the late evening
and overnight. waves 2 ft or less. mostly cloudy.
.saturday...s wind 10 to 15 kts. waves 2 to 4 ft. mostly cloudy.
$$
(3/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990023
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz846-200800-
holland to grand haven mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 20 to 25 knots. mostly cloudy. waves
2 to 3 feet.
.friday...southwest winds around 25 knots veering west in the late
morning and early afternoon, then veering northwest 15 to 20 knots
early in the afternoon. partly sunny. waves 2 to 4 feet.
.friday night...north winds 10 to 20 knots veering northeast 5 to
10 knots after midnight. partly cloudy. waves 2 to 3 feet.
.saturday...east winds 5 to 10 knots veering south 10 to 15 knots
early in the afternoon. partly sunny. waves 1 foot or less.
.saturday night...south winds 15 to 20 knots. partly cloudy. waves
1 to 2 feet building to 2 to 3 feet after midnight.
.sunday...west winds 15 to 25 knots veering north in the late
morning and afternoon. mostly cloudy with a chance of rain showers.
waves 3 to 5 feet.
.monday...north winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet.
.tuesday...south winds 15 to 25 knots veering southwest early in the
afternoon. mostly cloudy. waves 3 to 5 feet.
$$
(4/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990024
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz845-200800-
south haven to holland mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 20 to 25 knots. mostly cloudy. waves
1 to 3 feet.
.friday...southwest winds 20 to 25 knots veering northwest 15 to
20 knots early in the afternoon. mostly cloudy. waves 2 to 4 feet.
.friday night...north winds 10 to 20 knots veering northeast 5 to
10 knots after midnight. mostly cloudy. waves 2 to 3 feet.
.saturday...east winds 5 to 10 knots veering south 10 to 15 knots in
the late morning and afternoon. partly sunny. waves 1 foot or less.
.saturday night...south winds 10 to 20 knots. partly cloudy. waves
1 to 3 feet.
.sunday...west winds 15 to 25 knots veering north in the late
morning and afternoon. mostly cloudy with a chance of rain showers.
waves 2 to 3 feet building to 3 to 5 feet in the late morning and
afternoon.
.monday...north winds 15 to 25 knots. mostly sunny. waves 5 to
7 feet.
.tuesday...south winds 15 to 25 knots veering southwest early in the
afternoon. mostly cloudy. waves 2 to 4 feet.
$$
(5/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990025
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz844-200800-
st joseph to south haven mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 15 to 20 knots. mostly cloudy. waves
1 to 2 feet.
.friday...southwest winds around 20 knots veering northwest early in
the afternoon. mostly cloudy. waves 2 to 3 feet.
.friday night...north winds 5 to 15 knots. mostly cloudy. waves 1 to
3 feet.
.saturday...east winds 5 to 10 knots veering south in the late
morning and afternoon. partly sunny. waves around 1 foot.
.saturday night...south winds 10 to 20 knots. partly cloudy. waves
1 to 2 feet.
.sunday...southwest winds 15 to 20 knots veering north to 30 knots
in the late morning and afternoon. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet building to 4 to 6 feet in the late
morning and afternoon.
.monday...north winds 15 to 25 knots. mostly sunny. waves 6 to
9 feet.
.tuesday...south winds 15 to 20 knots veering southwest 10 to
15 knots early in the afternoon. mostly cloudy. waves 1 to 2 feet.
$$
(6/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990020
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz849-200800-
pentwater to manistee mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 15 to 20 knots. cloudy with a slight
chance of rain showers. waves 2 to 3 feet.
.friday...southwest winds 10 to 20 knots veering northwest in the
late morning and afternoon. mostly cloudy with a slight chance of
rain showers. waves 2 to 3 feet.
.friday night...north winds 5 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 3 feet.
.saturday...south winds 10 to 20 knots. mostly cloudy. waves around
1 foot.
.saturday night...south winds 10 to 20 knots veering northwest after
midnight. mostly cloudy. waves 1 to 2 feet.
.sunday...north winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 3 to 5 feet.
.monday...north winds 10 to 20 knots. mostly sunny. waves 5 to
7 feet.
.tuesday...south winds to 30 knots. mostly cloudy. waves 5 to
7 feet.
$$
(7/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990021
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz848-200800-
whitehall to pentwater mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 20 to 25 knots. mostly cloudy with a
slight chance of rain showers. waves 2 to 3 feet.
.friday...southwest winds 15 to 25 knots veering northwest in the
late morning and afternoon. mostly cloudy. waves 2 to 4 feet.
.friday night...north winds 5 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 to 3 feet.
.saturday...south winds 10 to 20 knots. partly sunny. waves around
1 foot.
.saturday night...south winds 15 to 20 knots veering west after
midnight. partly cloudy. waves 2 to 3 feet.
.sunday...north winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 2 to 3 feet building to 3 to 5 feet in the late
morning and afternoon.
.monday...north winds 15 to 25 knots. mostly sunny. waves 5 to
7 feet.
.tuesday...south winds to 30 knots. mostly cloudy. waves 4 to
6 feet.
$$
(8/15)
Latest Nearshore Marine Forecast by KGRR
Issued 3/20/2026 2:23 AM America/New_York.
Valid through 3/20/2026 4:00 AM America/New_York.
fzus53 kgrr 200623
nshgrr
expires:202603200800;;990022
nearshore marine forecast
national weather service grand rapids mi
222 am edt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz847-200800-
grand haven to whitehall mi-
222 am edt fri mar 20 2026
.rest of tonight...south winds 20 to 25 knots. mostly cloudy. waves
2 to 3 feet.
.friday...southwest winds 20 to 25 knots veering northwest 15 to
20 knots in the late morning and afternoon. partly sunny. waves 2 to
4 feet.
.friday night...north winds 10 to 15 knots veering northeast 5 to
10 knots after midnight. partly cloudy. waves 2 to 3 feet.
.saturday...southeast winds 5 to 15 knots veering south early in the
afternoon. partly sunny. waves around 1 foot.
.saturday night...south winds 15 to 20 knots veering west after
midnight. partly cloudy. waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.sunday...north winds 15 to 25 knots. mostly cloudy with a chance of
rain showers. waves 2 to 4 feet.
.monday...north winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet.
.tuesday...south winds 15 to 25 knots veering southwest early in the
afternoon. mostly cloudy. waves 4 to 6 feet.
$$
(9/15)
Latest Nearshore Marine Forecast by KIWX
Issued 3/19/2026 10:41 PM America/New_York.
Valid through 3/20/2026 4:15 AM America/New_York.
fzus53 kiwx 200241
nshiwx
expires:202603200815;;982337
nearshore marine forecast
national weather service northern indiana
1041 pm edt thu mar 19 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-200815-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1041 pm edt thu mar 19 2026
.rest of tonight...southeast winds 5 to 15 knots becoming south.
partly cloudy late this evening, then becoming mostly cloudy.
waves 2 feet or less.
.friday...southwest winds 10 to 15 knots becoming northwest.
mostly cloudy. waves 1 to 3 feet.
.friday night...north winds around 10 knots becoming light and
variable. mostly cloudy. waves 1 to 2 feet.
.saturday...east winds 10 knots or less becoming south. mostly
sunny. waves 1 foot or less.
the water temperature at st. joseph is 39 degrees and at michigan
city is 39 degrees.
$$
(10/15)
Latest Nearshore Marine Forecast by KLOT
Issued 3/19/2026 9:29 PM US/Central.
Valid through 3/20/2026 4:15 AM US/Central.
fzus53 klot 200229
nshlot
expires:202603200915;;981981
nearshore marine forecast
national weather service chicago/romeoville il
929 pm cdt thu mar 19 2026
for waters within five nautical miles of shore on lake michigan
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.
lmz740>742-200915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
929 pm cdt thu mar 19 2026
.rest of tonight...east winds 5 to 10 kt becoming southwest late.
partly cloudy late in the evening, then becoming mostly cloudy.
waves 1 to 2 ft.
.friday...west winds 10 to 15 kt becoming northeast in the
afternoon. mostly cloudy. waves 1 to 2 ft.
.friday night...north winds 10 to 15 kt becoming northeast around
5 kt overnight. mostly cloudy. waves 1 to 2 ft.
.saturday...southeast winds around 10 kt becoming south in the
afternoon. partly cloudy. waves 1 to 2 ft.
$$
(11/15)
Latest Nearshore Marine Forecast by KLOT
Issued 3/19/2026 9:29 PM US/Central.
Valid through 3/20/2026 4:15 AM US/Central.
fzus53 klot 200229
nshlot
expires:202603200915;;981982
nearshore marine forecast
national weather service chicago/romeoville il
929 pm cdt thu mar 19 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>745-200915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
929 pm cdt thu mar 19 2026
.rest of tonight...southeast winds 10 to 15 kt becoming southwest
15 to 20 kt late. partly cloudy late in the evening, then
becoming mostly cloudy. waves 1 to 2 ft.
.friday...southwest winds 15 to 20 kt becoming north in the
afternoon. mostly cloudy. waves 1 to 3 ft.
.friday night...north winds 10 to 15 kt becoming northeast.
mostly cloudy. waves 1 to 2 ft.
.saturday...southeast winds around 10 kt becoming south in the
afternoon. partly cloudy in the morning then clearing. waves 1 to
2 ft.
$$
(12/15)
Latest Nearshore Marine Forecast by KMKX
Issued 3/20/2026 1:10 AM US/Central.
Valid through 3/20/2026 4:00 AM US/Central.
fzus53 kmkx 200610
nshmkx
expires:202603200900;;989588
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz646-200900-
wind point wi to winthrop harbor il-
110 am cdt fri mar 20 2026
.rest of tonight...southwest wind 10 to 15 knots. patchy fog
after midnight. waves 1 to 2 feet.
.friday...west wind 10 to 15 knots veering north late in the
afternoon. mostly cloudy. waves 1 to 2 feet.
.friday night...north wind 5 to 10 knots veering east early in
the morning. mostly cloudy. waves around 1 foot.
.saturday...southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering south early in the afternoon
becoming south 10 to 15 knots late in the afternoon. partly
sunny. waves 1 to 2 feet.
$$
(13/15)
Latest Nearshore Marine Forecast by KMKX
Issued 3/20/2026 1:10 AM US/Central.
Valid through 3/20/2026 4:00 AM US/Central.
fzus53 kmkx 200610
nshmkx
expires:202603200900;;989587
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz645-200900-
north point light to wind point wi-
110 am cdt fri mar 20 2026
.rest of tonight...southwest wind 10 to 15 knots becoming 10 to
20 knots early in the morning. cloudy. waves 1 to 2 feet.
.friday...west wind 15 to 20 knots becoming northwest 10 to
15 knots late in the morning, then veering north early in the
afternoon becoming north 10 to 15 knots late in the afternoon.
mostly cloudy. waves 1 to 2 feet.
.friday night...north wind 5 to 10 knots veering northeast late
in the evening, then becoming northeast 5 to 10 knots after
midnight veering southeast early in the morning. mostly cloudy.
waves around 1 foot.
.saturday...southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering south early in the afternoon
becoming south 10 to 15 knots late in the afternoon. partly
sunny. waves 1 to 2 feet.
$$
(14/15)
Latest Nearshore Marine Forecast by KMKX
Issued 3/20/2026 1:10 AM US/Central.
Valid through 3/20/2026 4:00 AM US/Central.
fzus53 kmkx 200610
nshmkx
expires:202603200900;;989586
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz644-200900-
port washington to north point light wi-
110 am cdt fri mar 20 2026
.rest of tonight...southwest wind 10 to 15 knots rising to 15 to
20 knots early in the morning. cloudy. waves 1 to 2 feet.
.friday...west wind 15 to 20 knots becoming northwest 10 to
15 knots late in the morning, then veering north early in the
afternoon becoming north 10 to 15 knots late in the afternoon.
mostly cloudy. waves 1 to 2 feet.
.friday night...north wind 5 to 10 knots veering southeast early
in the morning. mostly cloudy. waves around 1 foot.
.saturday...southeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering south early in the afternoon
becoming south 10 to 15 knots late in the afternoon. partly
sunny. waves 1 to 2 feet.
$$
(15/15)
Latest Nearshore Marine Forecast by KMKX
Issued 3/20/2026 1:10 AM US/Central.
Valid through 3/20/2026 4:00 AM US/Central.
fzus53 kmkx 200610
nshmkx
expires:202603200900;;989585
nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt fri mar 20 2026
for waters within five nautical miles of shore on lake michigan
lmz643-200900-
sheboygan to port washington wi-
110 am cdt fri mar 20 2026
.rest of tonight...southwest wind 10 to 15 knots rising to 15 to
20 knots early in the morning. cloudy. waves 1 to 2 feet.
.friday...west wind 15 to 20 knots becoming northwest 10 to
15 knots late in the morning, then veering north early in the
afternoon becoming north 10 to 15 knots late in the afternoon.
mostly cloudy. waves 1 to 2 feet.
.friday night...north wind 5 to 10 knots veering east after
midnight, then veering south early in the morning. mostly cloudy.
waves around 1 foot.
.saturday...south wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming south 10 to 15 knots in the
afternoon. partly sunny. waves 1 to 2 feet building to 2 to
4 feet late in the afternoon.
$$
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