Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 221437
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
937 AM EST Sat Nov 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.

LHZ422-222245-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
937 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...Northwest winds 5 to 10 knots backing to the
west early in the afternoon, then becoming southwest 10 to
15 knots late in the afternoon. Mostly sunny late in the morning
becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy with a
slight chance of light rain early in the evening, then partly
cloudy in the late evening and overnight. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly
cloudy until late afternoon then clearing. Waves 2 to 4 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
2 feet or less.

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

$$

LHZ421-222245-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
937 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...West winds 5 to 10 knots becoming southwest
10 to 15 knots late in the afternoon. Mostly sunny late in the
morning becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy until
early morning becoming partly cloudy. A slight chance of light
rain until early morning. Waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight. Waves occasionally
around 7 feet.
.SUNDAY...West winds 20 to 25 knots becoming northwest 15 to
20 knots early in the afternoon. Gusts to 25 knots. Partly cloudy
until late afternoon becoming mostly sunny. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening
and overnight. Waves occasionally around 7 feet.

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

$$

LHZ441-222245-
Port Austin to Harbor Beach MI-
937 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...Northwest winds 5 to 10 knots backing to the
southwest late in the afternoon. Partly cloudy. Waves 1 to
3 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly cloudy. A
slight chance of light rain and snow early in the evening, then a
slight chance of light rain in the late evening and early
morning. Waves 1 to 3 feet building to 3 to 5 feet after
midnight. Waves occasionally around 7 feet.
.SUNDAY...West winds 20 to 25 knots. Mostly cloudy until late
afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. Waves occasionally around 7 feet.

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

$$

LHZ442-222245-
Harbor Beach to Port Sanilac MI-
937 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...Northwest winds 5 to 10 knots backing to the
west late in the afternoon. Partly cloudy. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly cloudy. A
slight chance of light rain and snow early in the evening, then a
slight chance of light rain in the late evening and early
morning. Waves 1 to 3 feet.
.SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly
cloudy until late afternoon becoming mostly sunny. Waves 2 to 4
feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.

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

$$

LHZ443-222245-
Port Sanilac to Port Huron MI-
937 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.REST OF TODAY...Northwest winds 10 to 15 knots becoming west
5 to 10 knots in the afternoon. Mostly sunny late in the morning
becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly cloudy until
early morning becoming partly cloudy. A slight chance of light
rain until early morning. Waves 1 to 3 feet.
.SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly
cloudy until late afternoon becoming mostly sunny. Waves 2 to 4
feet.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming west 5 to
10 knots after midnight. Mostly clear. Waves 1 to 3 feet.

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

$$

LEZ444-222245-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
937 AM EST Sat Nov 22 2025

.REST OF TODAY...North winds 5 to 10 knots late in the morning
becoming light and variable. Sunny late in the morning becoming
partly cloudy. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots becoming southwest 15 to
20 knots. Partly cloudy becoming mostly cloudy in the late
evening and early morning becoming partly cloudy. Waves 2 feet or
less.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots
in the late morning and afternoon. Partly cloudy until late
afternoon then clearing. Waves 1 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots becoming light and
variable. Clear. Waves 2 feet or less.

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

The water temperature at Belle Isle is 42 degrees.

$$

KGK

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