Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 040317
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1017 PM EST Wed Dec 3 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.

LHZ422-041130-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1017 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...West winds 15 to 20 knots becoming northwest
20 to 25 knots after midnight. Mostly cloudy this evening
becoming partly cloudy. Isolated light snow showers this evening.
Waves 2 to 4 feet.
.THURSDAY...Northwest winds to 30 knots becoming west 15 to
20 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet early in the afternoon.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots increasing to
30 knots. Partly cloudy until early morning becoming mostly
cloudy. Waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. Waves occasionally around 8 feet.
.FRIDAY...Southwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly cloudy. Waves 4 to 6 feet. Waves
occasionally around 8 feet.

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

$$

LHZ421-041130-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1017 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...Northwest winds 20 to 25 knots increasing to
30 knots early in the morning. Mostly cloudy this evening
becoming partly cloudy. Isolated light snow showers this evening.
Waves 4 to 6 feet. Waves occasionally around 7 feet.
.THURSDAY...Northwest winds to 30 knots becoming west 15 to
20 knots early in the afternoon. Partly cloudy. Waves 6 to 9 feet
subsiding to 3 to 5 feet early in the afternoon. Waves
occasionally around 12 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots increasing to
30 knots. Partly cloudy early in the evening becoming mostly
cloudy. Waves 3 to 5 feet building to 6 to 9 feet after midnight.
Waves occasionally around 12 feet.
.FRIDAY...Southwest gales to 35 knot gales diminishing to 20 to 25
knots. Mostly cloudy. Waves 6 to 9 feet. Waves occasionally around 12
feet. A Gale Warning may be needed.

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

$$

LHZ441-041130-
Port Austin to Harbor Beach MI-
1017 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...West winds 20 to 25 knots becoming northwest
to 30 knots early in the morning. Mostly cloudy. Scattered light
snow showers this evening. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.THURSDAY...Northwest winds to 30 knots becoming west 15 to
20 knots early in the afternoon. Partly cloudy with isolated
light snow showers. Waves 6 to 9 feet subsiding to 5 to 7 feet
early in the afternoon. Waves occasionally around 12 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots increasing to
30 knots. Partly cloudy. Isolated light snow showers early in the
evening. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.FRIDAY...Southwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon. Partly cloudy early in the
morning becoming mostly cloudy. Waves 4 to 6 feet. Waves
occasionally around 7 feet.

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

$$

LHZ442-041130-
Harbor Beach to Port Sanilac MI-
1017 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...West winds 15 to 20 knots becoming northwest
20 to 25 knots early in the morning. Mostly cloudy with numerous
light snow showers this evening, then partly cloudy with isolated
light snow showers after midnight. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.THURSDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots early in the afternoon. Partly
cloudy with isolated light snow showers. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
20 to 25 knots. Partly cloudy. Isolated light snow showers early
in the evening. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.FRIDAY...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. Partly cloudy. Waves 3 to 5 feet
subsiding to 2 to 4 feet early in the afternoon. Waves
occasionally around 7 feet.

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

$$

LHZ443-041130-
Port Sanilac to Port Huron MI-
1017 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.REST OF TONIGHT...West winds 15 to 20 knots becoming northwest
20 to 25 knots early in the morning. Mostly cloudy. Scattered
light snow showers this evening, then isolated light snow showers
after midnight. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly sunny. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Partly cloudy.
Waves 1 to 3 feet building to 2 to 4 feet after midnight.
.FRIDAY...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. Partly cloudy. Waves
2 to 4 feet.

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

$$

LEZ444-041130-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1017 PM EST Wed Dec 3 2025

.REST OF TONIGHT...West winds 15 to 20 knots. Mostly cloudy.
Scattered light snow showers this evening, then isolated light
snow showers after midnight. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Mostly clear. Waves 2 feet or
less.
.FRIDAY...Southwest winds 10 to 15 knots. Mostly sunny early in
the morning becoming partly cloudy. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 36 degrees.

$$

CB

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