Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 111935
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
335 PM EDT Sat Oct 11 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.

LHZ422-120345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
335 PM EDT Sat Oct 11 2025

.TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. Mostly sunny. Waves 2 feet or
less.
.SUNDAY NIGHT...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 afternoon. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 2 feet or less.

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

$$

LHZ421-120345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
335 PM EDT Sat Oct 11 2025

.TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to
10 knots after midnight, then increasing to 10 to 15 knots early
in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.
.SUNDAY NIGHT...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 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.

$$

LHZ441-120345-
Port Austin to Harbor Beach MI-
335 PM EDT Sat Oct 11 2025

.TONIGHT...East winds 10 to 15 knots. Mostly clear. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.SUNDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast 15 to 20
knots in the late evening and early morning, then diminishing to 10
to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet building
to 3 to 5 feet in the late evening and overnight. Waves occasionally
around 7 feet. A Small Craft Advisory may be needed.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Mostly sunny. 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.

$$

LHZ442-120345-
Harbor Beach to Port Sanilac MI-
335 PM EDT Sat Oct 11 2025

.TONIGHT...East winds 10 to 15 knots. Mostly clear. Waves 1 to
3 feet.
.SUNDAY...East winds 10 to 15 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Mostly sunny. 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.

$$

LHZ443-120345-
Port Sanilac to Port Huron MI-
335 PM EDT Sat Oct 11 2025

.TONIGHT...Northeast winds 10 to 15 knots veering to the east
after midnight. Mostly clear. A slight chance of showers in the
evening. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

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

$$

LEZ444-120345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
335 PM EDT Sat Oct 11 2025

.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Mostly clear. Waves 2 feet or
less.
.SUNDAY...Northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late morning and early afternoon, then increasing
to 10 to 15 knots early in the afternoon. Mostly sunny. Waves
2 feet or less.
.SUNDAY NIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.
.MONDAY...East winds 5 to 10 knots. 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 63 degrees.

$$

KDK

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