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FZUS53 KDTX 121336
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
936 AM EDT Sun Oct 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.

LHZ422-122145-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...East winds 10 to 15 knots. Mostly sunny. Waves 2
feet or less.
.TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then becoming
light and variable early in the afternoon. Mostly sunny. Waves
2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots veering to the south in
the late evening and early morning, then veering to the west
after midnight. Partly cloudy. Waves 2 feet or less.

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

$$

LHZ421-122145-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...East winds 10 to 15 knots. Mostly sunny. Waves
1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then backing to
the east early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...East winds 5 to 10 knots early in the evening
becoming light and variable, then becoming west 5 to 10 knots
after midnight. Partly cloudy. Waves 2 feet or less.

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

$$

LHZ441-122145-
Port Austin to Harbor Beach MI-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...Southeast winds 10 to 15 knots diminishing to
5 to 10 knots late in the afternoon. Partly cloudy late in the
morning then clearing. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.MONDAY NIGHT...Light and variable winds becoming west 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ442-122145-
Harbor Beach to Port Sanilac MI-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...East winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then increasing to 10 to
15 knots late in the afternoon. Partly cloudy late in the morning
then clearing. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Sunny. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots veering to the southwest
after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ443-122145-
Port Sanilac to Port Huron MI-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...East winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then increasing to 10 to
15 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.
.MONDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots early in the afternoon. Sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southwest after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LEZ444-122145-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
936 AM EDT Sun Oct 12 2025

.REST OF TODAY...East winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...East winds 10 to 15 knots. Mostly clear. Waves 1 to
3 feet.
.MONDAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.

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

The water temperature at Belle Isle is 63 degrees.

$$

SF

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