644
FZUS53 KDTX 011936
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
336 PM EDT Wed Oct 1 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.

LHZ422-020345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 PM EDT Wed Oct 1 2025

.TONIGHT...East winds 10 to 15 knots veering to the southeast
early in the morning. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. Partly cloudy. Waves
2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Clear. Waves 2 feet
or less.
.FRIDAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ421-020345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
336 PM EDT Wed Oct 1 2025

.TONIGHT...East winds 10 to 15 knots veering to the southeast
after midnight. Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots veering to the
south in the late evening and overnight. Mostly clear. Waves 1 to
3 feet.
.FRIDAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.

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

$$

LHZ441-020345-
Port Austin to Harbor Beach MI-
336 PM EDT Wed Oct 1 2025

.TONIGHT...East winds 10 to 15 knots veering to the southeast
after midnight. Partly cloudy. Waves 1 to 3 feet building to 2 to
4 feet early in the morning.
.THURSDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves
2 to 4 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ442-020345-
Harbor Beach to Port Sanilac MI-
336 PM EDT Wed Oct 1 2025

.TONIGHT...Northeast winds 10 to 15 knots veering to the
southeast in the late evening and overnight. Partly cloudy. Waves
1 to 3 feet building to 2 to 4 feet early in the morning.
.THURSDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or less.

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

$$

LHZ443-020345-
Port Sanilac to Port Huron MI-
336 PM EDT Wed Oct 1 2025

.TONIGHT...Northeast winds 10 to 15 knots veering to the
southeast in the late evening and overnight. Partly cloudy. Waves
1 to 3 feet building to 2 to 4 feet early in the morning.
.THURSDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Partly cloudy becoming mostly
sunny in the late morning and early afternoon becoming partly
cloudy. Waves 1 to 3 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy until early morning then
clearing. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or less.

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

$$

LEZ444-020345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 PM EDT Wed Oct 1 2025

.TONIGHT...East winds around 20 knots diminishing to 10 to 15
knots after midnight. Partly cloudy. Waves 2 to 4 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots backing to the southeast
early in the afternoon. Sunny. Waves 2 feet or less.

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

The water temperature at Belle Isle is 70 degrees.

$$

SF

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