306
FZUS53 KDTX 221340
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
940 AM EDT Tue Jul 22 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.

LHZ422-222145-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...East winds 5 to 10 knots backing to the
northeast late in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots becoming south 15 to 20 knots
in the late evening and overnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.

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

$$

LHZ421-222145-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...East winds 5 to 10 knots becoming south 15 to 20 knots
in the late evening and overnight. Clear. Waves 1 to 3 feet.
.WEDNESDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and early afternoon, then increasing
to 15 to 20 knots early in the afternoon. Mostly sunny. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.

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

$$

LHZ441-222145-
Port Austin to Harbor Beach MI-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves
2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly clear. Waves
1 to 3 feet.

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

$$

LHZ442-222145-
Harbor Beach to Port Sanilac MI-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves
2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots veering to the south
after midnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.

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

$$

LHZ443-222145-
Port Sanilac to Port Huron MI-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...East winds 5 to 10 knots veering to the south in the
late evening and overnight. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.

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

$$

LEZ444-222145-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
940 AM EDT Tue Jul 22 2025

.REST OF TODAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.WEDNESDAY NIGHT...South 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 74 degrees.

$$

SS

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