(1/12)
Latest Nearshore Marine Forecast by KCLE
Issued 8/20/2026 10:00 AM America/New_York.
Valid through 8/20/2026 4:15 PM America/New_York.
fzus51 kcle 201400
nshcle
expires:202608202015;;052001
nearshore marine forecast
national weather service cleveland oh
issued by national weather service buffalo ny
1000 am edt thu aug 20 2026
for waters within five nautical miles of shore
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.
lez142>144-202015-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
1000 am edt thu aug 20 2026
.rest of today...east winds 5 to 15 knots becoming northeast. a
chance of showers with a slight chance of thunderstorms late this
morning. a slight chance of showers late. waves 2 feet or less.
.tonight...northeast winds 5 to 15 knots becoming east. mostly
clear. waves 2 feet or less.
.friday...east winds 10 knots or less. sunny. waves 1 foot or
less.
.friday night...east winds 10 knots or less becoming southwest.
mostly clear. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
see lake erie open lakes forecast for saturday through monday.
the water temperature off toledo is 78 degrees, off cleveland 75
degrees, and off erie 78 degrees.
$$
(2/12)
Latest Nearshore Marine Forecast by KDTX
Issued 8/20/2026 9:49 AM America/New_York.
Valid through 8/20/2026 6:00 PM America/New_York.
fzus53 kdtx 201349
nshdtx
expires:202608202200;;051764
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
949 am edt thu aug 20 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lez444-202200-
michigan waters of lake erie from detroit river to north cape mi-
949 am edt thu aug 20 2026
.rest of today...northeast winds 5 to 10 knots becoming east
10 to 15 knots late in the afternoon. mostly cloudy late in the
morning becoming partly cloudy. a slight chance of showers late
in the morning, then a slight chance of showers and thunderstorms
in the afternoon. waves 2 feet or less.
.tonight...east winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. clear. a slight chance of showers early in the
evening. waves 2 feet or less.
.friday...east winds 5 to 10 knots. sunny. waves 2 feet or less.
.friday night...southeast winds 5 to 10 knots veering to the
south after midnight. mostly clear. waves 2 feet or less.
see lake erie open lake forecast for days 3 through 5.
the water temperature at belle isle is 74 degrees.
$$
(3/12)
Latest Nearshore Marine Forecast by KDTX
Issued 8/20/2026 9:49 AM America/New_York.
Valid through 8/20/2026 6:00 PM America/New_York.
fzus53 kdtx 201349
nshdtx
expires:202608202200;;051759
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
949 am edt thu aug 20 2026
for waters within five nautical miles of shore
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.
lhz422-202200-
inner saginaw bay sw of point au gres to bay port mi-
949 am edt thu aug 20 2026
.rest of today...northeast winds 5 to 10 knots increasing to
10 to 15 knots late in the afternoon. mostly sunny. waves 2 feet
or less.
.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots after midnight. mostly clear. waves 1 to 3 feet.
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly sunny until late afternoon
becoming partly cloudy. waves 2 feet or less.
.friday night...south winds 10 to 15 knots. partly cloudy. a
chance of showers after midnight. waves 1 to 3 feet.
see lake huron open lake forecast for days 3 through 5.
$$
(4/12)
Latest Nearshore Marine Forecast by KDTX
Issued 8/20/2026 9:49 AM America/New_York.
Valid through 8/20/2026 6:00 PM America/New_York.
fzus53 kdtx 201349
nshdtx
expires:202608202200;;051762
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
949 am edt thu aug 20 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lhz442-202200-
harbor beach to port sanilac mi-
949 am edt thu aug 20 2026
.rest of today...northeast winds 5 to 10 knots. mostly sunny.
waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots veering to the southeast
after midnight. mostly clear. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. mostly sunny. waves 2 feet or
less.
.friday night...southeast winds 10 to 15 knots. partly cloudy.
waves 2 feet or less.
see lake huron open lake forecast for days 3 through 5.
$$
(5/12)
Latest Nearshore Marine Forecast by KDTX
Issued 8/20/2026 9:49 AM America/New_York.
Valid through 8/20/2026 6:00 PM America/New_York.
fzus53 kdtx 201349
nshdtx
expires:202608202200;;051763
nearshore marine forecast for michigan
national weather service detroit/pontiac mi
949 am edt thu aug 20 2026
for waters within five nautical miles of shore
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.
lhz443-202200-
port sanilac to port huron mi-
949 am edt thu aug 20 2026
.rest of today...northeast winds 5 to 10 knots increasing to
10 to 15 knots late in the afternoon. partly cloudy late in the
morning then clearing. waves 2 feet or less.
.tonight...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and early morning, then veering to
the southeast after midnight. mostly clear. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. sunny. waves 2 feet or
less.
.friday night...southeast winds 10 to 15 knots. mostly clear.
waves 2 feet or less.
see lake huron open lake forecast for days 3 through 5.
$$
(6/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051500
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz848-202100-
whitehall to pentwater mi-
936 am edt thu aug 20 2026
.rest of today...north winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less.
.tonight...west winds 5 to 15 knots backing southeast in the late
evening and overnight. partly cloudy. waves 1 foot or less.
.friday...south winds 15 to 25 knots. partly sunny. waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon.
.friday night...south winds 10 to 20 knots veering west after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet.
.sunday...north winds to 30 knots. sunny. waves 4 to 6 feet.
.monday...north winds around 10 knots backing northwest in the late
morning and afternoon. sunny. waves 1 to 2 feet.
$$
(7/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051499
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz849-202100-
pentwater to manistee mi-
936 am edt thu aug 20 2026
.rest of today...southwest winds 5 to 10 knots veering west early in
the afternoon. mostly sunny. waves 1 foot or less.
.tonight...west winds 5 to 15 knots backing southeast in the late
evening and overnight. partly cloudy. waves 1 foot or less.
.friday...south winds 15 to 25 knots. partly sunny with a slight
chance of rain showers. waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon.
.friday night...south winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and early morning, then veering west
after midnight. partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight.
.saturday...northwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet.
.monday...north winds 5 to 15 knots backing west early in the
afternoon. sunny. waves 1 to 2 feet.
$$
(8/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051504
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz844-202100-
st joseph to south haven mi-
936 am edt thu aug 20 2026
.rest of today...north winds 10 to 15 knots. sunny. waves 1 foot or
less.
.tonight...north winds 10 to 15 knots veering southeast 5 to
10 knots after midnight. mostly clear. waves around 1 foot.
.friday...south winds around 10 knots veering southwest early in the
afternoon. mostly sunny. waves 1 foot or less.
.friday night...southwest winds 10 to 15 knots. partly cloudy with
rain showers likely and a slight chance of thunderstorms. waves
around 1 foot.
.saturday...west winds 15 to 20 knots veering northwest 20 to
25 knots in the late morning and afternoon. mostly sunny with rain
showers likely and a slight chance of thunderstorms. waves 2 to
4 feet building to 3 to 5 feet in the late morning and afternoon.
.sunday...north winds 15 to 25 knots. sunny. waves 4 to 6 feet.
.monday...east winds 5 to 10 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet.
$$
(9/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051503
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz845-202100-
south haven to holland mi-
936 am edt thu aug 20 2026
.rest of today...northeast winds around 10 knots backing north early
in the afternoon. sunny. waves 1 foot or less.
.tonight...north winds 5 to 15 knots veering southeast after
midnight. mostly clear. waves around 1 foot.
.friday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves around 1 foot.
.friday night...southwest winds 10 to 15 knots. partly cloudy with a
chance of showers and thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet.
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 4 to 6 feet.
.monday...northeast winds 5 to 10 knots backing northwest early in
the afternoon. sunny. waves around 1 foot.
$$
(10/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051502
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz846-202100-
holland to grand haven mi-
936 am edt thu aug 20 2026
.rest of today...northeast winds around 10 knots backing northwest
early in the afternoon. sunny. waves 1 foot or less.
.tonight...northwest winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves around 1 foot.
.friday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves 1 to 2 feet.
.friday night...southwest winds 10 to 15 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 2 feet.
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet.
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 4 to 6 feet.
.monday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less.
$$
(11/12)
Latest Nearshore Marine Forecast by KGRR
Issued 8/20/2026 9:36 AM America/New_York.
Valid through 8/20/2026 5:00 PM America/New_York.
fzus53 kgrr 201336
nshgrr
expires:202608202100;;051501
nearshore marine forecast
national weather service grand rapids mi
936 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz847-202100-
grand haven to whitehall mi-
936 am edt thu aug 20 2026
.rest of today...northeast winds 5 to 10 knots backing northwest
10 to 15 knots early in the afternoon. sunny. waves 1 foot or less.
.tonight...northwest winds 5 to 15 knots veering northeast in the
late evening and early morning, then veering southeast 5 to 15 knots
after midnight. partly cloudy. waves around 1 foot.
.friday...south winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet.
.friday night...south winds 15 to 20 knots veering southwest after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet.
.saturday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny. waves 3 to 5 feet.
.sunday...northwest winds to 30 knots. sunny. waves 4 to 6 feet.
.monday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves around 1 foot.
$$
(12/12)
Latest Nearshore Marine Forecast by KIWX
Issued 8/20/2026 3:37 AM America/New_York.
Valid through 8/20/2026 10:15 AM America/New_York.
fzus53 kiwx 200737
nshiwx
expires:202608201415;;037170
nearshore marine forecast
national weather service northern indiana
337 am edt thu aug 20 2026
for waters within five nautical miles of shore on lake michigan
lmz043-046-201415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
337 am edt thu aug 20 2026
.today...northeast winds 10 knots or less becoming north. sunny.
waves 2 feet or less.
.tonight...north winds 10 knots or less becoming southeast.
mostly clear. waves 1 foot or less.
.friday...southeast winds 10 knots or less becoming southwest. a
slight chance of showers and thunderstorms in the afternoon.
waves 1 foot or less.
.friday night...southwest winds 5 to 10 knots. a chance of
showers with a slight chance of thunderstorms. waves 1 foot or
less.
winds and waves higher in and near thunderstorms.
the water temperature at st. joseph is 72 degrees and at michigan
city is 69 degrees.
$$
|