707
FZUS53 KDTX 071334
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
934 AM EDT Tue Oct 7 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.

LHZ422-072145-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
934 AM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

.REST OF TODAY...North winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Mostly cloudy. Numerous showers late
in the morning, then scattered showers in the afternoon. Waves
2 feet or less.
.TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. Clear. Waves 1 to
3 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Clear. Waves 2 feet or less.

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

$$

LHZ421-072145-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
934 AM EDT Tue Oct 7 2025

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

.REST OF TODAY...North winds 10 to 15 knots becoming northwest
5 to 10 knots late in the afternoon. Mostly cloudy with scattered
showers. Waves 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 15 knots becoming north 20 to
25 knots in the late evening and early morning, then diminishing
to 15 to 20 knots after midnight. Clear. Waves 1 to 3 feet
building to 4 to 6 feet in the late evening and overnight. Waves
occasionally around 8 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 4 to
6 feet. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. Clear. Waves 3 to 5 feet subsiding
to 1 to 3 feet in the late evening and overnight. Waves
occasionally around 7 feet.

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

$$

LHZ441-072145-
Port Austin to Harbor Beach MI-
934 AM EDT Tue Oct 7 2025

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

.REST OF TODAY...North winds 10 to 15 knots. Mostly cloudy.
Numerous showers late in the morning, then scattered showers in
the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in
the afternoon.
.TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to
20 knots in the late evening and overnight. Mostly clear.
Isolated showers early in the evening. Waves 1 to 3 feet building
to 5 to 7 feet in the late evening and overnight. Waves
occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly cloudy early in
the morning becoming mostly sunny. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. Mostly clear. Waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. Waves occasionally
around 7 feet.

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

$$

LHZ442-072145-
Harbor Beach to Port Sanilac MI-
934 AM EDT Tue Oct 7 2025

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

.REST OF TODAY...North winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Light showers late in the morning,
then numerous showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...North winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and overnight. Mostly clear.
Isolated showers early in the evening. Waves 1 to 3 feet building
to 4 to 6 feet in the late evening and overnight. Waves
occasionally around 8 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly cloudy. Waves
4 to 6 feet. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
5 to 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. Waves occasionally around 7 feet.

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

$$

LHZ443-072145-
Port Sanilac to Port Huron MI-
934 AM EDT Tue Oct 7 2025

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

.REST OF TODAY...North winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Rain showers late in the morning, then
numerous showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...North winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and overnight. Mostly clear.
Scattered showers early in the evening, then isolated showers in
the late evening and early morning. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny early in
the morning becoming partly cloudy. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.WEDNESDAY NIGHT...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.

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

$$

LEZ444-072145-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
934 AM EDT Tue Oct 7 2025

.REST OF TODAY...West winds 5 to 10 knots becoming north 10 to
15 knots late in the afternoon. Mostly cloudy. A slight chance of
waterspouts late in the morning. Scattered showers and isolated
thunderstorms late in the morning, then numerous showers and
isolated thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...North winds 10 to 15 knots. Mostly cloudy early in the
evening then clearing. Scattered showers and isolated
thunderstorms early in the evening, then isolated showers in the
late evening and early morning. Waves 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Clear. Waves
1 to 3 feet.

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

The water temperature at Belle Isle is 69 degrees.

$$

AM

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a www.weather.gov/greatlakes