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FZUS53 KDTX 030718
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
311 AM EDT Sun Aug 3 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.

LHZ422-031500-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
311 AM EDT Sun Aug 3 2025

.TODAY...West winds 5 to 10 knots early in the morning becoming
light and variable, then becoming south 5 to 10 knots in the
afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots veering to the southwest
after midnight. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ421-031500-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
311 AM EDT Sun Aug 3 2025

.TODAY...West winds 5 to 10 knots backing to the south in the
afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots backing to the east in the
late morning and afternoon. Mostly sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
2 feet or less.

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

$$

LHZ441-031500-
Port Austin to Harbor Beach MI-
311 AM EDT Sun Aug 3 2025

.TODAY...West winds 5 to 10 knots backing to the southeast late
in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots early in the evening
becoming light and variable. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming northeast 5 to
10 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves
2 feet or less.

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

$$

LHZ442-031500-
Harbor Beach to Port Sanilac MI-
311 AM EDT Sun Aug 3 2025

.TODAY...West winds 5 to 10 knots in the morning becoming light
and variable, then becoming southeast 5 to 10 knots late in the
afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Light and variable winds. 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. Mostly clear.
Waves 2 feet or less.

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

$$

LHZ443-031500-
Port Sanilac to Port Huron MI-
311 AM EDT Sun Aug 3 2025

.TODAY...West 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 early in the evening becoming
light and variable. Clear. Waves nearly calm.
.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. Mostly clear.
Waves 2 feet or less.

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

$$

LEZ444-031500-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
311 AM EDT Sun Aug 3 2025

.TODAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Mostly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.

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

The water temperature at Belle Isle is 74 degrees.

$$

CB

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