Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 040141
NSHDTX

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

LHZ422-040945-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...South winds 5 to 10 knots veering to the
southwest early in the morning. Clear. Areas of smoke. Waves
2 feet or less.
.MONDAY...Light and variable winds becoming northeast 10 to
15 knots early in the afternoon. Mostly sunny. Areas of smoke
early in the morning. Areas of smoke early in the afternoon.
Waves 2 feet or less.
.MONDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Areas of smoke early in
the evening. Waves 2 feet or less.
.TUESDAY...East winds 5 to 10 knots becoming northeast 10 to
15 knots in the late morning and afternoon. Mostly sunny. Waves
2 feet or less.

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

$$

LHZ421-040945-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...South winds 5 to 10 knots veering to the
southwest early in the morning. Clear. Areas of smoke. Waves
2 feet or less.
.MONDAY...East winds 5 to 10 knots becoming northeast 10 to
15 knots early in the afternoon. Sunny. Areas of smoke. Waves
2 feet or less.
.MONDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Areas of smoke early in
the evening. Waves 2 feet or less.
.TUESDAY...East winds 5 to 10 knots becoming northeast 10 to
15 knots in the late morning and afternoon. Mostly sunny. Waves
2 feet or less.

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

$$

LHZ441-040945-
Port Austin to Harbor Beach MI-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...South winds 5 to 10 knots this evening
becoming light and variable. Clear. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Sunny. Areas of smoke in the late
morning and afternoon. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.TUESDAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.

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

$$

LHZ442-040945-
Harbor Beach to Port Sanilac MI-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...Light and variable winds. Clear. Areas of
smoke. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Mostly sunny. Areas of smoke.
Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

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

$$

LHZ443-040945-
Port Sanilac to Port Huron MI-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...Light and variable winds. Clear. Areas of
smoke. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming northeast 5 to
10 knots early in the afternoon. Mostly sunny. Areas of smoke.
Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy.
Areas of smoke early in the evening. Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

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

$$

LEZ444-040945-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
941 PM EDT Sun Aug 3 2025

.REST OF TONIGHT...East winds 5 to 10 knots this evening becoming
light and variable. Clear. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots. Sunny until late afternoon
becoming partly cloudy. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots. Partly cloudy. Areas of
smoke early in the evening. Waves 2 feet or less.
.TUESDAY...East winds 5 to 10 knots. Partly cloudy early in the
morning becoming mostly sunny. 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.

$$

MR

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