Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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735
FZUS53 KDTX 080739
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
339 AM EDT Wed Oct 8 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.

LHZ422-081545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
339 AM EDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...

.TODAY...North winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 10 to 15 knots becoming north 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots early in the morning
becoming light and variable, then becoming southeast 5 to
10 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Clear. Waves
2 feet or less.

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

$$

LHZ421-081545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
339 AM EDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...North winds 15 to 20 knots. Mostly sunny. Waves 4 to
6 feet. Waves occasionally around 7 feet.
.TONIGHT...North winds 15 to 20 knots diminishing to 5 to
10 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.THURSDAY...North winds 5 to 10 knots veering to the south early
in the afternoon. Mostly sunny. Waves 2 feet or less.
.THURSDAY 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.

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

$$

LHZ441-081545-
Port Austin to Harbor Beach MI-
339 AM EDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...North winds 15 to 20 knots. Partly cloudy. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TONIGHT...North winds 15 to 20 knots becoming northeast 5 to
10 knots. Clear early in the evening becoming partly cloudy.
Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves
occasionally around 7 feet.
.THURSDAY...East winds 5 to 10 knots veering to the southeast
early in the afternoon. Partly cloudy until late afternoon then
clearing. Waves 2 feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Clear. Waves
2 feet or less.

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

$$

LHZ442-081545-
Harbor Beach to Port Sanilac MI-
339 AM EDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...North winds 15 to 20 knots. Partly cloudy. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TONIGHT...North winds 15 to 20 knots becoming northeast 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally around 7 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. Clear. Waves
2 feet or less.

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

$$

LHZ443-081545-
Port Sanilac to Port Huron MI-
339 AM EDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...North winds 15 to 20 knots. Mostly sunny in the morning
becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally
around 7 feet.
.TONIGHT...North winds 15 to 20 knots becoming northeast 10 to
15 knots after midnight. Partly cloudy. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Clear. Waves 2 feet or less.

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

$$

LEZ444-081545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
339 AM EDT Wed Oct 8 2025

.TODAY...North winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots veering to the south
after midnight. 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 69 degrees.

$$

MV

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