450
FZUS53 KDTX 121457
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
957 AM EST Wed Nov 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.

LHZ422-122300-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
957 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy with a slight chance of light rain. Waves 3 to 5
feet. Waves occasionally around 7 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. Mostly clear. A
slight chance of light rain early in the evening. Waves 2 to
4 feet.
.THURSDAY...West winds 15 to 20 knots. Sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.

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

$$

LHZ421-122300-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
957 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 20 to 25 knots increasing to 30 knots
late in the afternoon.  Mostly cloudy with a slight chance of
light rain. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds to 30 knots diminishing to 20 to 25 knots
in the late evening and overnight. Partly cloudy. A slight chance
of light rain early in the evening. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.THURSDAY...West winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. Mostly sunny. Waves
3 to 5 feet. Waves occasionally around 7 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.

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

$$

LHZ441-122300-
Port Austin to Harbor Beach MI-
957 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 20 to 25 knots increasing to 30 knots
late in the afternoon.  Mostly cloudy with a chance of light
rain. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds to 30 knots diminishing to 20 to 25 knots
in the late evening and overnight. Mostly cloudy early in the
evening becoming partly cloudy. A chance of light rain early in
the evening, then a slight chance of light rain in the late
evening and early morning. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. Partly cloudy until
late afternoon then clearing. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. Mostly clear. Waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. Waves occasionally
around 7 feet.

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

$$

LHZ442-122300-
Harbor Beach to Port Sanilac MI-
957 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 20 to 25 knots with gusts to
30 knots. Mostly cloudy with a chance of light rain. Waves 2 to
4 feet.
.TONIGHT...West winds 20 to 25 knots. Gusts to 30 knots early in
the evening. Partly cloudy. A chance of light rain early in the
evening, then a slight chance of light rain in the late evening
and early morning. Waves 3 to 5 feet. Waves occasionally around
7 feet.
.THURSDAY...West winds 15 to 20 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet early in the afternoon.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.

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

$$

LHZ443-122300-
Port Sanilac to Port Huron MI-
957 AM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 20 to 25 knots. Gusts to 30 knots in
the afternoon. Mostly cloudy with a chance of light rain. Waves
2 to 4 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. Mostly clear. A
chance of light rain early in the evening. Waves 3 to 5 feet
subsiding to 2 to 4 feet after midnight. Waves occasionally
around 7 feet.
.THURSDAY...West winds 15 to 20 knots. Sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.

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

$$

LEZ444-122300-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
957 AM EST Wed Nov 12 2025

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

.REST OF TODAY...West winds 20 to 25 knots. Partly cloudy late in
the morning becoming mostly cloudy. Waves 2 to 4 feet.
.TONIGHT...West winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Waves 2 feet or less.

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

The water temperature at Belle Isle is 42 degrees.

$$

SF

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