Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 060203
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1003 PM EDT Tue Aug 5 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.

LHZ422-061015-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots becoming east 5
to 10 knots early in the morning. Mostly clear. Waves 1 to 3 feet.
.WEDNESDAY...East winds 5 to 10 knots. Mostly sunny until late
afternoon becoming partly cloudy. A slight chance of showers and
thunderstorms early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 10 to 15 knots becoming southeast
5 to 10 knots in the late evening and overnight. Partly cloudy. A
slight chance of showers and thunderstorms early in the evening.
Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy early in
the morning then clearing. Waves 2 feet or less.

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

$$

LHZ421-061015-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots becoming east 5
to 10 knots early in the morning. Mostly clear. Waves 1 to 3 feet.
.WEDNESDAY...East winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots veering to the
southeast after midnight. Partly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy early in
the morning then clearing. Waves 2 feet or less.

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

$$

LHZ441-061015-
Port Austin to Harbor Beach MI-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots becoming east 5
to 10 knots early in the morning. Mostly clear. Waves 1 to 3 feet.
.WEDNESDAY...East winds 5 to 10 knots. Partly cloudy early in the
morning then clearing. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots veering to the
southeast after midnight. Partly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy early in
the morning becoming mostly sunny. Waves 2 feet or less.

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

$$

LHZ442-061015-
Harbor Beach to Port Sanilac MI-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...East winds 5 to 15 knots. Partly cloudy. Waves
2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Partly cloudy early
in the morning then clearing. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots veering to the
southeast after midnight. Partly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly cloudy early in
the morning then clearing. Waves 2 feet or less.

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

$$

LHZ443-061015-
Port Sanilac to Port Huron MI-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Partly cloudy until
late afternoon then clearing. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

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

$$

LEZ444-061015-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1003 PM EDT Tue Aug 5 2025

.REST OF TONIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.WEDNESDAY...East winds 5 to 10 knots. Partly cloudy until late
afternoon, then mostly sunny with a slight chance of showers and
thunderstorms early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. 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 75 degrees.

$$

BT

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