Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 231445
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
945 AM EST Sun Nov 23 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.

LHZ422-232245-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
945 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

.REST OF TODAY...West winds 15 to 20 knots. Gusts to 30 knots
early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots backing to the southwest
after midnight. Mostly clear. Waves 2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Cloudy. A chance of
light rain after midnight. Waves 1 to 3 feet.

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

$$

LHZ421-232245-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
945 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...West winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots early in the
afternoon, then becoming northwest 15 to 20 knots late in the
afternoon. Partly cloudy late in the morning becoming mostly
sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
3 to 5 feet subsiding to 1 to 3 feet in the late evening and
overnight. Waves occasionally around 7 feet.
.MONDAY...Southwest winds 15 to 20 knots. Partly cloudy. Waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Cloudy. A chance of light rain after
midnight. Waves 1 to 3 feet.

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

$$

LHZ441-232245-
Port Austin to Harbor Beach MI-
945 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Northwest winds 20 to 25 knots. Gusts to
30 knots in the late morning and early afternoon. Partly cloudy.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. Waves occasionally around 7 feet.
.MONDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. Partly cloudy. Waves
1 to 3 feet.
.MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Cloudy. A chance of
light rain after midnight. Waves 1 to 3 feet.

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

$$

LHZ442-232245-
Harbor Beach to Port Sanilac MI-
945 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

.REST OF TODAY...West winds 15 to 20 knots. Gusts to 30 knots in
the late morning and early afternoon. Partly cloudy. Waves 2 to
4 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.MONDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. Partly cloudy. Waves
1 to 3 feet.
.MONDAY NIGHT...South winds 10 to 15 knots. Cloudy. A chance of
light rain after midnight. Waves 1 to 3 feet.

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

$$

LHZ443-232245-
Port Sanilac to Port Huron MI-
945 AM EST Sun Nov 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

.REST OF TODAY...Northwest winds 15 to 20 knots. Gusts to
30 knots early in the afternoon. Partly cloudy late in the
morning becoming mostly sunny. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly clear. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. Partly cloudy. Waves
1 to 3 feet.
.MONDAY NIGHT...South winds 10 to 15 knots. Cloudy. A chance of
light rain after midnight. Waves 1 to 3 feet.

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

$$

LEZ444-232245-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
945 AM EST Sun Nov 23 2025

.REST OF TODAY...West winds 15 to 20 knots diminishing to 10 to
15 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots
in the late evening and overnight. Mostly clear. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots. Partly cloudy until late
afternoon becoming mostly cloudy. Waves 2 feet or less.
.MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Cloudy. A chance of
light rain after midnight. Waves 2 feet or less.

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

The water temperature at Belle Isle is 44 degrees.

$$

SS

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a www.weather.gov/greatlakes