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FZUS53 KDTX 200239
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
939 PM EST Wed Nov 19 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.

LHZ422-201045-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Mostly cloudy this
evening becoming mostly clear. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny becoming partly
cloudy in the late morning and early afternoon becoming mostly
cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Mostly cloudy.
A slight chance of light rain until early morning. Waves 1 to
3 feet.
.FRIDAY...West winds 10 to 15 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.

$$

LHZ421-201045-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Mostly cloudy this
evening becoming partly cloudy. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots. Mostly cloudy.
A slight chance of light rain until early morning. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.FRIDAY...West winds 10 to 15 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.

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

$$

LHZ441-201045-
Port Austin to Harbor Beach MI-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Mostly cloudy
this evening becoming partly cloudy. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Mostly sunny until
late afternoon becoming mostly cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Mostly cloudy.
A chance of light rain until early morning. Waves 1 to 3 feet.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 1 to 3 feet.

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

$$

LHZ442-201045-
Harbor Beach to Port Sanilac MI-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...Light and variable winds becoming southwest
5 to 10 knots after midnight. Mostly cloudy this evening becoming
partly cloudy. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Mostly sunny until
late afternoon becoming partly cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Mostly cloudy
with a slight chance of light rain. Waves 1 to 3 feet.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 2 feet or less.

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

$$

LHZ443-201045-
Port Sanilac to Port Huron MI-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...Light and variable winds becoming south 5 to
10 knots after midnight. Mostly cloudy this evening becoming
partly cloudy. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny until late
afternoon becoming partly cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Mostly cloudy
with a slight chance of light rain. Waves 2 feet or less.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy early in the
morning becoming partly cloudy. Waves 2 feet or less.

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

$$

LEZ444-201045-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
939 PM EST Wed Nov 19 2025

.REST OF TONIGHT...Light and variable winds. Partly cloudy. Waves
2 feet or less.
.THURSDAY...Light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. Mostly cloudy. Waves 2 feet or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy.
Waves 2 feet or less.
.FRIDAY...West winds 5 to 10 knots veering to the northwest early
in the afternoon. Mostly cloudy. Waves 2 feet or less.

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

The water temperature at Belle Isle is 43 degrees.

$$

MR

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