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FZUS53 KDTX 011912
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
312 PM EDT Sat Nov 1 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.

LHZ422-020315-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
312 PM EDT Sat Nov 1 2025

...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
MORNING...

.TONIGHT...North winds 5 to 10 knots in the evening becoming
light and variable. Partly cloudy. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming southwest 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...Southwest winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales in the late evening and overnight. Partly
cloudy. A chance of light rain after midnight. Waves 3 to 5 feet
building to 4 to 6 feet after midnight. Waves occasionally around 8
feet. A Gale Warning may be needed.
.MONDAY...Southwest winds to 30 knots becoming west 20 to
25 knots early in the afternoon. Partly cloudy with a chance of
light rain until late afternoon, then mostly sunny early in the
afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.

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

$$

LHZ421-020315-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
312 PM EDT Sat Nov 1 2025

...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
EVENING...

.TONIGHT...North winds 5 to 10 knots backing to the west early in
the morning. Partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon, then increasing
to 15 to 20 knots early in the afternoon. Partly cloudy early in
the morning then clearing. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds to 30 knots increasing to 35 knot
gales after midnight. Partly cloudy until early morning, then mostly
cloudy with a chance of light rain after midnight. Waves 3 to 5 feet
building to 6 to 9 feet in the late evening and overnight. Waves
occasionally around 12 feet. A Gale Warning may be needed.
.MONDAY...Southwest gales to 35 knot gales becoming west to
30 knots in the late morning and afternoon. Mostly cloudy with a
chance of light rain until late afternoon, then mostly sunny
early in the afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.

Gales will be possible beyond the forecast period. Please refer to
the Open Lakes Forecast for more information.

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

$$

LHZ441-020315-
Port Austin to Harbor Beach MI-
312 PM EDT Sat Nov 1 2025

...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
EVENING...

.TONIGHT...Northwest winds 5 to 10 knots backing to the west
early in the morning. Partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Partly cloudy early
in the morning then clearing. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales in the late evening and overnight. Partly
cloudy until early morning, then mostly cloudy with a chance of light
rain after midnight. Waves 2 to 4 feet building to 5 to 7 feet in the
late evening and overnight. Waves occasionally around 10 feet. A Gale
Warning may be needed.
.MONDAY...West winds to 30 knots with gusts to 35 knot gales.
Mostly cloudy with a chance of light rain until late afternoon,
then mostly sunny early in the afternoon. Waves 5 to 7 feet.
Waves occasionally around 10 feet.

Gales will be possible beyond the forecast period. Please refer to
the Open Lakes Forecast for more information.

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

$$

LHZ442-020315-
Harbor Beach to Port Sanilac MI-
312 PM EDT Sat Nov 1 2025

.TONIGHT...Northwest winds 5 to 10 knots in the evening becoming
light and variable. Partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming southwest 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 30 knots in the late evening and overnight. Clear
becoming partly cloudy in the late evening and early morning becoming
mostly cloudy. A chance of light rain after midnight. Waves 1 to 3
feet building to 2 to 4 feet in the late evening and overnight. A
Small Craft Advisory may be needed.
.MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy with a chance of light rain until late afternoon,
then mostly sunny early in the afternoon. Waves 2 to 4 feet.

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

$$

LHZ443-020315-
Port Sanilac to Port Huron MI-
312 PM EDT Sat Nov 1 2025

.TONIGHT...North winds 5 to 10 knots until early morning becoming
light and variable. Partly cloudy with a slight chance of light
rain. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. Mostly clear. Waves 1 to 3
feet building to 2 to 4 feet after midnight. A Small Craft Advisory
may be needed.
.MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy with a chance of light rain until late afternoon,
then mostly sunny early in the afternoon. Waves 2 to 4 feet.

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

$$

LEZ444-020315-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
312 PM EDT Sat Nov 1 2025

.TONIGHT...Northwest winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming west 5 to 10 knots in
the late morning and early afternoon, then backing to the south
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots becoming southwest
15 to 20 knots. Mostly clear. Waves 1 to 3 feet.
.MONDAY...Southwest winds 15 to 20 knots. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
sunny. Waves 2 to 4 feet.

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

The water temperature at Belle Isle is 51 degrees.

$$

AM

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