897
FZUS53 KDTX 070736
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
336 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.

LHZ422-071545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 AM EDT Tue Oct 7 2025

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

.TODAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. Mostly cloudy. Light showers 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....building to 3 to 5 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.

$$

LHZ421-071545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
336 AM EDT Tue Oct 7 2025

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

.TODAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots late in the afternoon. Mostly cloudy. Light showers in
the morning, then scattered showers in the afternoon. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.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.

$$

LHZ441-071545-
Port Austin to Harbor Beach MI-
336 AM EDT Tue Oct 7 2025

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

.TODAY...North winds 10 to 15 knots. Mostly cloudy. Light showers
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.

$$

LHZ442-071545-
Harbor Beach to Port Sanilac MI-
336 AM EDT Tue Oct 7 2025

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

.TODAY...North winds 10 to 15 knots. Light showers in the
morning, then numerous showers in the afternoon. Waves 2 to
4 feet.
.TONIGHT...Northwest winds 10 to 15 knots increasing to 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.

$$

LHZ443-071545-
Port Sanilac to Port Huron MI-
336 AM EDT Tue Oct 7 2025

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

.TODAY...North winds 10 to 15 knots. Cloudy. Numerous showers and
isolated thunderstorms in the morning, then numerous showers in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the
afternoon.
.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.

$$

LEZ444-071545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 AM EDT Tue Oct 7 2025

.TODAY...Southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon, then becoming
north 10 to 15 knots late in the afternoon. Mostly cloudy. A
slight chance of waterspouts in the morning. Scattered showers
and thunderstorms in the morning, then numerous showers and
scattered 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 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.

$$

SC

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