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FZUS53 KDTX 050203
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1003 PM EDT Sat Oct 4 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.

LHZ422-051015-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.SUNDAY...South winds 10 to 15 knots. Sunny. Waves 2 feet or
less.
.SUNDAY 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 building to 2 to 4 feet in the late evening and
overnight.
.MONDAY...Southwest winds 15 to 20 knots. Mostly sunny. A chance
of showers early in the afternoon. Waves 1 to 3 feet.

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

$$

LHZ421-051015-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. Sunny. Waves 2 feet or
less.
.SUNDAY 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 building to 2 to 4 feet in the late evening and
overnight.
.MONDAY...Southwest winds 15 to 20 knots. Mostly sunny. A chance
of showers early in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon.

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

$$

LHZ441-051015-
Port Austin to Harbor Beach MI-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and early afternoon, then increasing
to 10 to 15 knots early in the afternoon. Mostly sunny. Waves
2 feet or less.
.SUNDAY NIGHT...South winds 15 to 20 knots. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.MONDAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Mostly sunny. A chance of
showers early in the afternoon. Waves 1 to 3 feet.

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

$$

LHZ442-051015-
Harbor Beach to Port Sanilac MI-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 1 to 3 feet.
.SUNDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. Mostly sunny. Waves 1 to
3 feet.
.SUNDAY NIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.MONDAY...Southwest winds 10 to 15 knots. Mostly sunny. A chance
of showers early in the afternoon. Waves 1 to 3 feet.

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

$$

LHZ443-051015-
Port Sanilac to Port Huron MI-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Clear. Waves 1 to
3 feet.
.SUNDAY...South winds 10 to 15 knots. Sunny. Waves 2 feet or
less.
.SUNDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning, then diminishing
to 10 to 15 knots after midnight. Mostly clear. Waves 1 to
3 feet.
.MONDAY...Southwest winds 10 to 15 knots. Mostly sunny. Waves
1 to 3 feet.

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

$$

LEZ444-051015-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1003 PM EDT Sat Oct 4 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Clear. Waves
2 feet or less.
.SUNDAY...South winds 5 to 10 knots backing to the southeast
early in the afternoon. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 10 to 15 knots veering to the
southwest after midnight. Clear. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 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 69 degrees.

$$

BT

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