545
FZUS53 KDTX 150803
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
403 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.

LHZ422-151615-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
403 AM EDT Tue Jul 15 2025

.TODAY...Light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and overnight. Clear. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and afternoon. Partly 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.

$$

LHZ421-151615-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
403 AM EDT Tue Jul 15 2025

.TODAY...Light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Clear. Waves 2 feet
or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and afternoon. Partly sunny. A
chance of showers and thunderstorms in the afternoon. Waves
2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots becoming south
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.

$$

LHZ441-151615-
Port Austin to Harbor Beach MI-
403 AM EDT Tue Jul 15 2025

.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...Southwest winds 5 to 10 knots backing to the
southeast early in the afternoon. Partly 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.

$$

LHZ442-151615-
Harbor Beach to Port Sanilac MI-
403 AM EDT Tue Jul 15 2025

.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. Partly 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.

$$

LHZ443-151615-
Port Sanilac to Port Huron MI-
403 AM EDT Tue Jul 15 2025

.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. Mostly clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Partly 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.

$$

LEZ444-151615-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
403 AM EDT Tue Jul 15 2025

.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 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.

$$

BT

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