001
FZUS53 KDTX 122035
NSHDTX

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

LHZ422-130445-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
335 PM EST Wed Nov 12 2025

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

.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the late evening and overnight.
Partly cloudy. A slight chance of sprinkles in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.THURSDAY...West winds 15 to 20 knots. Sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots early in the morning becoming
light and variable, then becoming southeast 5 to 10 knots early
in the afternoon. Partly cloudy early in the morning then
clearing. Waves 2 feet or less.

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

$$

LHZ421-130445-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
335 PM EST Wed Nov 12 2025

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

.TONIGHT...West winds 20 to 25 knots. Gusts to 30 knots early in
the evening. Partly cloudy. A slight chance of showers in the
evening. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.THURSDAY...West winds 15 to 20 knots. 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 in the late evening and overnight. Clear early in the
evening becoming partly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.FRIDAY...West winds 5 to 10 knots veering to the east early in
the afternoon. Partly cloudy early in the morning then clearing.
Waves 2 feet or less.

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

$$

LHZ441-130445-
Port Austin to Harbor Beach MI-
335 PM EST Wed Nov 12 2025

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

.TONIGHT...West winds to 30 knots diminishing to 20 to 25 knots
with gusts to 30 knots in the late evening and overnight. Partly
cloudy. A slight chance of showers in the evening. 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 3 to 5 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...Northwest winds 5 to 10 knots veering to the northeast
early in the afternoon. Partly cloudy early in the morning
becoming mostly sunny. Waves 2 feet or less.

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

$$

LHZ442-130445-
Harbor Beach to Port Sanilac MI-
335 PM EST Wed Nov 12 2025

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

.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. Partly cloudy. A
slight chance of sprinkles in the evening. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.THURSDAY...West winds 15 to 20 knots. Partly cloudy early in the
morning then clearing. Waves 2 to 4 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.FRIDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and early afternoon, then veering to
the northeast early in the afternoon. Partly cloudy early in the
morning becoming mostly sunny. Waves 2 feet or less.

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

$$

LHZ443-130445-
Port Sanilac to Port Huron MI-
335 PM EST Wed Nov 12 2025

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

.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the late evening and overnight.
Partly cloudy. A slight chance of sprinkles in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.THURSDAY...West winds 15 to 20 knots. Mostly sunny. Waves 1 to
3 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.FRIDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon, then veering to the
northeast early in the afternoon. Partly cloudy early in the
morning then clearing. Waves 2 feet or less.

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

$$

LEZ444-130445-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
335 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.THURSDAY NIGHT...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.
.FRIDAY...Southwest winds 5 to 10 knots backing to the southeast
early in the afternoon. Partly cloudy until late afternoon then
clearing. 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.

$$

KDK

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