497
FZUS53 KDTX 140203
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1003 PM EDT Wed Aug 13 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.

LHZ422-141015-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and early afternoon, then increasing
to 10 to 15 knots early in the afternoon. Mostly sunny. Waves
2 feet or less.
.THURSDAY NIGHT...East winds 10 to 15 knots becoming southeast
5 to 10 knots after midnight. Clear. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or less.

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

$$

LHZ421-141015-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...North winds 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves
1 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots becoming southeast
5 to 10 knots after midnight. Clear. Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or less.

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

$$

LHZ441-141015-
Port Austin to Harbor Beach MI-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.THURSDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southeast after midnight. Clear. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.

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

$$

LHZ442-141015-
Harbor Beach to Port Sanilac MI-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...North winds 5 to 10 knots. Mostly clear. Waves
1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots becoming northeast 10 to
15 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east
5 to 10 knots in the late evening and overnight. Clear. Waves
2 feet or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.

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

$$

LHZ443-141015-
Port Sanilac to Port Huron MI-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...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 increasing to 10 to
15 knots early in the afternoon. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and early morning, then veering
to the east after midnight. Clear. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.

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

$$

LEZ444-141015-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1003 PM EDT Wed Aug 13 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots early in the morning. Mostly clear with a slight
chance of showers. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots veering to the east
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.FRIDAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and 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 80 degrees.

$$

AA

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