Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 101341
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
941 AM EDT Sun Aug 10 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.

LHZ422-102200-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. A slight
chance of showers early in the evening. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. A slight chance of showers
until late afternoon, then a chance of showers and thunderstorms
early in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. A
chance of showers and thunderstorms until early morning, then a
chance of showers after midnight. Waves 2 feet or less.

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

$$

LHZ421-102200-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 1 to
3 feet.
.MONDAY...Southwest winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. A slight chance of showers
until late afternoon, then a chance of showers and thunderstorms
early in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. A
chance of thunderstorms early in the evening. A chance of
showers. Waves 2 feet or less.

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

$$

LHZ441-102200-
Port Austin to Harbor Beach MI-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 1 to
3 feet.
.MONDAY...South winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon, then increasing to 10 to
15 knots early in the afternoon. Mostly sunny until late
afternoon becoming partly cloudy. A slight chance of showers
until late afternoon, then a chance of showers early in the
afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. A
chance of showers. Waves 2 feet or less.

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

$$

LHZ442-102200-
Harbor Beach to Port Sanilac MI-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. Mostly sunny until late
afternoon becoming partly cloudy. A chance of showers early in
the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A
chance of showers early in the evening. A chance of showers after
midnight. Waves 2 feet or less.

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

$$

LHZ443-102200-
Port Sanilac to Port Huron MI-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. Mostly sunny. Waves 2 feet or
less.
.TONIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny. A slight chance of showers
in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.

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

$$

LEZ444-102200-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
941 AM EDT Sun Aug 10 2025

.REST OF TODAY...South winds 5 to 10 knots. Mostly 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. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...South winds 5 to 10 knots. 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 78 degrees.

$$

TF

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