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FZUS53 KDTX 040844
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
344 AM EST Thu Dec 4 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.

LHZ422-041700-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
344 AM EST Thu Dec 4 2025

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

.TODAY...Northwest winds 20 to 25 knots with gusts to 30 knots
becoming west 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 30 knots.
Partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the
late evening and overnight. Waves occasionally around 7 feet. A
Small Craft Advisory may be needed.
.FRIDAY...Southwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon. Partly cloudy. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots. Cloudy with a chance
of light snow. Waves 4 to 6 feet. Waves occasionally around
8 feet.

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

$$

LHZ421-041700-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
344 AM EST Thu Dec 4 2025

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

.TODAY...Northwest winds to 30 knots becoming west 15 to
20 knots. Partly cloudy. Freezing spray in the morning. Waves
5 to 7 feet subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally around 10 feet.
.TONIGHT...Southwest winds 15 to 20 knots increasing to 30 knots.
Partly cloudy. Freezing spray after midnight. Waves 1 to 3 feet
building to 5 to 7 feet. Waves occasionally around 10 feet. A
Small Craft Advisory may be needed.
.FRIDAY...Southwest winds to 30 knots with a few gusts to 35 knot
gales possible. Partly cloudy until late afternoon becoming
mostly cloudy. Freezing spray early in the morning. Waves 6 to 9
feet. Waves occasionally around 12 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots. Cloudy with a chance
of light snow. Waves 5 to 7 feet. Waves occasionally around
10 feet.

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

$$

LHZ441-041700-
Port Austin to Harbor Beach MI-
344 AM EST Thu Dec 4 2025

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

.TODAY...Northwest winds to 30 knots becoming west 15 to
20 knots. Mostly cloudy. Freezing spray in the morning. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. Partly cloudy. Waves 3 to
5 feet. Waves occasionally around 7 feet. A Small Craft Advisory
may be needed.
.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 7 feet.
.FRIDAY NIGHT...Southwest winds 20 to 25 knots. Cloudy with light
snow likely. Waves 4 to 6 feet. Waves occasionally around 8 feet.

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

$$

LHZ442-041700-
Harbor Beach to Port Sanilac MI-
344 AM EST Thu Dec 4 2025

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

.TODAY...Northwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots in the afternoon. Partly cloudy.
Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon.
Waves occasionally around 8 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots. 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.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots increasing to
20 to 25 knots in the late evening and early morning, then
diminishing to 15 to 20 knots after midnight. Cloudy. A chance of
light snow until early morning, then light snow likely after
midnight. Waves 2 to 4 feet.

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

$$

LHZ443-041700-
Port Sanilac to Port Huron MI-
344 AM EST Thu Dec 4 2025

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

.TODAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the afternoon. Partly cloudy. Waves 3 to 5 feet
subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally around 7 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Mostly clear. 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.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots increasing to
20 to 25 knots in the late evening and overnight. Cloudy with a
chance of light snow. Waves 2 to 4 feet.

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

$$

LEZ444-041700-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
344 AM EST Thu Dec 4 2025

.TODAY...Northwest winds 15 to 20 knots diminishing to 5 to
10 knots. Mostly sunny. Waves 2 feet or less.
.TONIGHT...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. Partly cloudy. Waves
1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy
early in the evening becoming mostly cloudy. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.

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

The water temperature at Belle Isle is 35 degrees.

$$

TF

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