515
FZUS53 KDTX 141931
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
331 PM EDT Tue Oct 14 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.

LHZ422-150345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
331 PM EDT Tue Oct 14 2025

.TONIGHT...Northeast winds 5 to 10 knots becoming north 10 to
15 knots this evening, then increasing to 15 to 20 knots after
midnight diminishing to 10 to 15 knots early in the morning.
Partly cloudy with a slight chance of light rain in the evening,
then mostly cloudy with a chance of light rain after midnight.
Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. Waves 2 feet or less.
.WEDNESDAY NIGHT...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.

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

$$

LHZ421-150345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
331 PM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...North winds 15 to 20 knots. Partly cloudy with a
slight chance of light rain in the evening, then mostly cloudy
with a chance of light rain after midnight. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly sunny. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. 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.

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

$$

LHZ441-150345-
Port Austin to Harbor Beach MI-
331 PM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...North winds 15 to 20 knots. Mostly clear with a slight
chance of light rain in the evening, then mostly cloudy with a
chance of light rain after midnight. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY...North winds 10 to 15 knots. Partly cloudy until late
afternoon then clearing. Waves 3 to 5 feet subsiding to 1 to
3 feet early in the afternoon. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...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.

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

$$

LHZ442-150345-
Harbor Beach to Port Sanilac MI-
331 PM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...North winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Mostly clear with a slight chance
of light rain in the evening, then mostly cloudy with a chance of
light rain after midnight. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Clear. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ443-150345-
Port Sanilac to Port Huron MI-
331 PM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...North winds 15 to 20 knots. Mostly clear with a slight
chance of light rain in the evening, then mostly cloudy with a
chance of light rain after midnight. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...North winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Clear. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LEZ444-150345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
331 PM EDT Tue Oct 14 2025

.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.
.WEDNESDAY...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 light rain until late afternoon, then partly
cloudy early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Clear. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots veering to the east
early in the afternoon. 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.

$$

AM

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