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FZUS53 KDTX 011935
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
335 PM EDT Mon Sep 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-
335 PM EDT Mon Sep 1 2025

.TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late evening and early morning, then veering to
the south early in the morning. Clear. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots backing to the east early in
the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 20 to 25
knots with gusts to 30 knots. Mostly sunny until late afternoon, then
partly cloudy with a chance of showers early in the afternoon. A
chance of waterspouts early in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon. A Small Craft
Advisory may be needed.

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-
335 PM EDT Mon Sep 1 2025

.TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots
in the late evening and early morning, then veering to the south
early in the morning. Clear. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots backing to the east early in
the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Mostly sunny until
late afternoon, then partly cloudy with a chance of showers early
in the afternoon. A chance of waterspouts early in the afternoon.
Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon.

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

$$

LHZ441-020345-
Port Austin to Harbor Beach MI-
335 PM EDT Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots veering to the south early in
the morning. Clear. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots backing to the southeast
early in the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Mostly sunny until late
afternoon, then partly cloudy with a chance of showers early in
the afternoon. Waves 1 to 3 feet.

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

$$

LHZ442-020345-
Harbor Beach to Port Sanilac MI-
335 PM EDT Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots veering to the south early in
the morning. Clear. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots backing to the southeast
early in the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Mostly sunny until late
afternoon becoming partly cloudy. Waves 1 to 3 feet.

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

$$

LHZ443-020345-
Port Sanilac to Port Huron MI-
335 PM EDT Mon Sep 1 2025

.TONIGHT...Northeast winds 5 to 10 knots veering to the southeast
after midnight. Clear. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

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-
335 PM EDT Mon Sep 1 2025

.TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and early morning, then becoming southeast
5 to 10 knots early in the morning. Clear. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.

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

The water temperature at Belle Isle is 69 degrees.

$$

SF

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