Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 121321
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
921 AM EDT Wed Mar 12 2025

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.

LHZ422-122130-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...Northeast winds 10 to 15 knots increasing to
15 to 20 knots late in the afternoon. Mostly cloudy late in the
morning becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.THURSDAY NIGHT...East winds 5 to 10 knots veering to the
southeast after midnight. Partly cloudy. Waves 2 feet or less.

Wave heights are for ice free areas.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-122130-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...East winds 10 to 15 knots becoming northeast
15 to 20 knots late in the afternoon. Mostly cloudy late in the
morning becoming partly cloudy. Waves 1 to 3 feet.
.TONIGHT...East winds 15 to 20 knots becoming southeast 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.THURSDAY NIGHT...East winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. Partly cloudy.
Waves 2 feet or less.

Wave heights are for ice free areas.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-122130-
Port Austin to Harbor Beach MI-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...East winds 10 to 15 knots. Mostly cloudy late in
the morning becoming partly cloudy. Waves 1 to 3 feet.
.TONIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-122130-
Harbor Beach to Port Sanilac MI-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...East winds 5 to 10 knots becoming northeast
10 to 15 knots in the afternoon. Mostly cloudy. Waves 1 to
3 feet.
.TONIGHT...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots becoming southeast
10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or
less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-122130-
Port Sanilac to Port Huron MI-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...East winds 5 to 10 knots becoming northeast
10 to 15 knots in the afternoon. Mostly cloudy. Waves 1 to
3 feet.
.TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.THURSDAY NIGHT...East winds 5 to 10 knots veering to the
southeast after midnight. Partly cloudy. Waves 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-122130-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
921 AM EDT Wed Mar 12 2025

.REST OF TODAY...East winds 15 to 20 knots. Partly cloudy late in
the morning becoming mostly sunny. Waves 2 to 4 feet.
.TONIGHT...East winds 15 to 20 knots becoming northeast 5 to
10 knots in the late evening and overnight. Clear. Waves 2 feet
or less.
.THURSDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...East winds 5 to 10 knots. 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 36 degrees.

$$

SC

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes