Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 150749
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
349 AM EDT Wed Oct 15 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.

LHZ422-151600-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Wed Oct 15 2025

.TODAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Mostly cloudy in the morning becoming
mostly sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots backing to the north
after midnight. Clear. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots until late afternoon
becoming light and variable. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Mostly clear. A chance of showers after
midnight. Waves 2 feet or less.

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

$$

LHZ421-151600-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
349 AM EDT Wed Oct 15 2025

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

.TODAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon, then increasing to 10 to
15 knots late in the afternoon. Partly cloudy in the morning then
clearing. Waves 3 to 5 feet subsiding to 1 to 3 feet in the
afternoon.
.TONIGHT...North winds 10 to 15 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots veering to the
south after midnight. Mostly clear. A chance of showers after
midnight. Waves 2 feet or less.

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

$$

LHZ441-151600-
Port Austin to Harbor Beach MI-
349 AM EDT Wed Oct 15 2025

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

.TODAY...North winds 10 to 15 knots. Partly cloudy in the morning
then clearing. Waves 3 to 5 feet subsiding to 1 to 3 feet late in
the afternoon.
.TONIGHT...North winds 10 to 15 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots early in the
evening becoming light and variable, then becoming south 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ442-151600-
Harbor Beach to Port Sanilac MI-
349 AM EDT Wed Oct 15 2025

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

.TODAY...North winds 10 to 15 knots. Mostly cloudy in the morning
then clearing. Waves 3 to 5 feet subsiding to 1 to 3 feet late in
the afternoon.
.TONIGHT...North winds 10 to 15 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the
south after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ443-151600-
Port Sanilac to Port Huron MI-
349 AM EDT Wed Oct 15 2025

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

.TODAY...North winds 10 to 15 knots. Mostly cloudy with a slight
chance of showers in the morning, then mostly sunny in the
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon.
.TONIGHT...North winds 10 to 15 knots. Clear. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southeast after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LEZ444-151600-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Wed Oct 15 2025

.TODAY...North winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. Mostly cloudy with a slight
chance of showers in the morning, then partly cloudy in the
afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.THURSDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Light and variable winds. 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.

$$

TF

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