Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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709
FZUS53 KDTX 152058
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
358 PM EST Sat Nov 15 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.

LHZ422-160500-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
after midnight. Gusts to 35 knot gales. Partly cloudy. A chance
of showers in the evening, then a slight chance of showers after
midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.SUNDAY...Northwest winds 20 to 25 knots increasing to 30 knots
early in the afternoon. Gusts to 35 knot gales. Partly cloudy. A
slight chance of light rain and snow showers until late
afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot
gales diminishing to 20 to 25 knots with gusts to 30 knots in the
late evening and overnight. Partly cloudy. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.MONDAY...Northwest winds 15 to 20 knots. Partly cloudy until
late afternoon becoming mostly sunny. Waves 1 to 3 feet.

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

$$

LHZ421-160500-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
in the late evening and overnight. Gusts to 35 knot gales. Partly
cloudy. A chance of showers in the evening, then a slight chance
of showers after midnight. Waves 5 to 7 feet building to 6 to
9 feet after midnight. Waves occasionally around 12 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 35 knot
gales. Partly cloudy with a slight chance of light rain and snow
showers. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot
gales. Mostly clear. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.MONDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Partly cloudy. Waves 5 to 7 feet. Waves occasionally
around 10 feet.

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

$$

LHZ441-160500-
Port Austin to Harbor Beach MI-
358 PM EST Sat Nov 15 2025

...GALE WARNING IN EFFECT FROM 8 PM EST THIS EVENING THROUGH
SUNDAY EVENING...

.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
in the late evening and overnight. Gusts to 35 knot gales. Partly
cloudy. A chance of showers in the evening, then a slight chance
of showers after midnight. Waves 5 to 7 feet building to 8 to
12 feet in the late evening and overnight. Waves occasionally
around 15 feet.
.SUNDAY...Northwest gales to 35 knot gales. Partly cloudy until
late afternoon becoming mostly cloudy. A slight chance of light
rain and snow showers early in the morning, then a chance of
light snow showers and a slight chance of showers in the late
morning and afternoon. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.SUNDAY NIGHT...Northwest gales to 35 knot gales with gusts to
40 knot gales diminishing to 30 knots after midnight. Mostly
cloudy early in the evening becoming partly cloudy. A chance of
light snow showers until early morning. Waves 10 to 14 feet.
Waves occasionally around 18 feet.
.MONDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Mostly cloudy early in the morning becoming partly
cloudy. Waves 6 to 9 feet. Waves occasionally around 12 feet.

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

$$

LHZ442-160500-
Harbor Beach to Port Sanilac MI-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
after midnight. Gusts to 30 knots. Partly cloudy. A chance of
showers in the evening, then a slight chance of showers after
midnight. Waves 3 to 5 feet building to 6 to 9 feet in the late
evening and overnight. Waves occasionally around 12 feet.
.SUNDAY...Northwest winds to 30 knots. Partly cloudy. A chance of
light rain and snow showers. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots. Partly cloudy. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.MONDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots early in the afternoon. Partly
cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet.

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

$$

LHZ443-160500-
Port Sanilac to Port Huron MI-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...Northwest winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and overnight. Gusts to 30 knots.
Partly cloudy. A chance of showers in the evening, then a slight
chance of showers after midnight. Waves 3 to 5 feet building to
4 to 6 feet early in the morning. Waves occasionally around
8 feet.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon. Gusts to 30 knots. Partly cloudy
with a slight chance of light rain and snow showers. Waves 5 to 7
feet. Waves occasionally around 10 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots. Mostly clear. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. Partly cloudy. Waves 3 to
5 feet. Waves occasionally around 7 feet.

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

$$

LEZ444-160500-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH SUNDAY EVENING...

.TONIGHT...Northwest winds 15 to 20 knots. Partly cloudy. A
slight chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny. Waves
2 to 4 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots becoming west
15 to 20 knots in the late evening and overnight. Mostly clear.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.MONDAY...Northwest winds 10 to 15 knots. Sunny. 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.

$$

MV

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