Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 151345
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
945 AM EDT Tue Jul 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.

LHZ422-152145-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming south 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A chance of
showers and thunderstorms in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy with a chance of
showers and thunderstorms. Waves 2 feet or less.

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

$$

LHZ421-152145-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming south 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A chance of
showers and thunderstorms in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy in the evening
becoming mostly cloudy. A chance of showers and thunderstorms.
Waves 2 feet or less.

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

$$

LHZ441-152145-
Port Austin to Harbor Beach MI-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A chance of
showers in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy with
a chance of showers and thunderstorms. Waves 2 feet or less.

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

$$

LHZ442-152145-
Harbor Beach to Port Sanilac MI-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A chance of
showers in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy with
a chance of showers and thunderstorms. Waves 2 feet or less.

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

$$

LHZ443-152145-
Port Sanilac to Port Huron MI-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A slight
chance of showers in the morning, then a chance of showers in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy with a chance of
showers and thunderstorms. Waves 2 feet or less.

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

$$

LEZ444-152145-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
945 AM EDT Tue Jul 15 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots. Partly cloudy. A slight
chance of showers and thunderstorms after midnight. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Partly cloudy. Showers
likely and a slight chance of thunderstorms in the morning, then
showers likely and a chance of thunderstorms in the afternoon.
Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots 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 77 degrees.

$$

MV

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