337
FZUS53 KDTX 310736
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
336 AM EDT Sun Aug 31 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.

LHZ422-311545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
336 AM EDT Sun Aug 31 2025

.TODAY...Light and variable winds becoming east 5 to 10 knots
late in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots veering to the south after
midnight. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots veering to the south
after midnight. Clear. Waves 2 feet or less.

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

$$

LHZ421-311545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
336 AM EDT Sun Aug 31 2025

.TODAY...West winds 5 to 10 knots early in the morning becoming
light and variable, then becoming east 5 to 10 knots late in the
afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots veering to the south after
midnight. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots veering to the south
after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ441-311545-
Port Austin to Harbor Beach MI-
336 AM EDT Sun Aug 31 2025

.TODAY...Southwest winds 5 to 10 knots early in the morning
becoming light and variable. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots until early morning becoming
light and variable. Mostly clear. Waves 2 feet or less.
.MONDAY...Light and variable winds. Mostly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.

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

$$

LHZ442-311545-
Harbor Beach to Port Sanilac MI-
336 AM EDT Sun Aug 31 2025

.TODAY...Light and variable winds. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.

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

$$

LHZ443-311545-
Port Sanilac to Port Huron MI-
336 AM EDT Sun Aug 31 2025

.TODAY...Light and variable winds becoming northeast 5 to
10 knots late in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots veering to the east
after midnight. Mostly clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming northeast 5 to
10 knots early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.

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

$$

LEZ444-311545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
336 AM EDT Sun Aug 31 2025

.TODAY...North winds 5 to 10 knots veering to the east in the
afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or
less.

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

The water temperature at Belle Isle is 68 degrees.

$$

SC

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