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FZUS53 KDTX 050248
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
948 PM 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.

LHZ422-051100-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...Southwest winds 15 to 20 knots increasing to
30 knots. Partly cloudy. Waves 2 to 4 feet building to 3 to
5 feet after midnight. Waves occasionally around 7 feet.
.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. Mostly cloudy with a
chance of light snow. Waves 4 to 6 feet. Waves occasionally
around 7 feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.

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

$$

LHZ421-051100-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
948 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...Southwest winds 15 to 20 knots increasing to
30 knots. Partly cloudy. Waves 3 to 5 feet building to 5 to
7 feet early in the morning. Waves occasionally around 10 feet.
.FRIDAY...Southwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon. Gusts to 35 knot gales. Partly
cloudy. Waves 5 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots. Cloudy with a chance
of light snow. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.SATURDAY...West winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. Mostly cloudy. Waves
3 to 5 feet. Waves occasionally around 7 feet.

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

$$

LHZ441-051100-
Port Austin to Harbor Beach MI-
948 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.REST OF TONIGHT...Southwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to 30 knots after midnight. Partly
cloudy. Waves 1 to 3 feet building to 3 to 5 feet after midnight.
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.
.FRIDAY NIGHT...Southwest winds 20 to 25 knots increasing to
30 knots in the late evening and early morning, then diminishing
to 20 to 25 knots after midnight. Mostly cloudy with light snow
likely. Waves 4 to 6 feet. Waves occasionally around 7 feet.
.SATURDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. Mostly cloudy. Waves
3 to 5 feet. Waves occasionally around 7 feet.

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

$$

LHZ442-051100-
Harbor Beach to Port Sanilac MI-
948 PM EST Thu Dec 4 2025

.REST OF 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 early in the morning.
.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 20 to 25 knots. Mostly cloudy
with light snow likely. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to
3 feet.

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

$$

LHZ443-051100-
Port Sanilac to Port Huron MI-
948 PM EST Thu Dec 4 2025

.REST OF 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 early in the morning.
.FRIDAY...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. Mostly sunny early in
the morning becoming partly cloudy. Waves 2 to 4 feet.
.FRIDAY NIGHT...Southwest winds 20 to 25 knots. Cloudy with a
chance of light snow. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 1 to
3 feet.

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

$$

LEZ444-051100-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 PM EST Thu Dec 4 2025

.REST OF 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. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 1 to 3 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. Partly cloudy early in the evening
becoming mostly cloudy. Waves 2 to 4 feet. A Small Craft Advisory may
be needed.
.SATURDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. Mostly cloudy. Waves 1 to
3 feet.

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

The water temperature at Belle Isle is 35 degrees.

$$

CB

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