241
FZUS53 KDTX 101007
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
507 AM EST Wed Dec 10 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.

LHZ422-101815-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
507 AM EST Wed Dec 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Northeast winds 15 to 20 knots becoming north 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Snow in the morning, then a chance of light snow in the
afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. Waves occasionally around 7 feet.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...West winds 15 to 20 knots. Partly cloudy early in the
morning becoming mostly cloudy. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.

Wave heights are for ice free areas.

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

$$

LHZ421-101815-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
507 AM EST Wed Dec 10 2025

...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH
THIS EVENING...

.TODAY...Northeast winds 20 to 25 knots with gusts to 30 knots
becoming north to 35 knot gales in the afternoon. Light snow in
the morning, then a chance of light snow in the afternoon. Waves 2
to 4 feet building to 6 to 9 feet in the late morning and
afternoon. Waves occasionally around 12 feet.
.TONIGHT...Northwest winds to 35 knot gales. Partly cloudy with a
slight chance of light snow. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly cloudy. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Partly cloudy. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

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

$$

LHZ441-101815-
Port Austin to Harbor Beach MI-
507 AM EST Wed Dec 10 2025

...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH
THIS EVENING...

.TODAY...East winds 15 to 20 knots becoming northeast 20 to
25 knots with gusts to 30 knots late in the morning, then
becoming north to 30 knots with gusts to 35 knot gales in the
afternoon. Light snow and a slight chance of light rain in the
morning, then a chance of light snow in the afternoon. Waves 2 to
4 feet building to 8 to 12 feet. Waves occasionally around
15 feet.
.TONIGHT...Northwest winds to 30 knots with gusts to 35 knot
gales. Mostly cloudy with a chance of light snow. Waves 8 to
12 feet. Waves occasionally around 15 feet.
.THURSDAY...Northwest winds to 30 knots becoming west 15 to
20 knots. Mostly cloudy. A chance of light snow in the late
morning and afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.THURSDAY NIGHT...Northwest winds 20 to 25 knots becoming west
10 to 15 knots. Mostly cloudy early in the evening becoming
partly cloudy. Waves 3 to 5 feet. Waves occasionally around
7 feet.

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

$$

LHZ442-101815-
Harbor Beach to Port Sanilac MI-
507 AM EST Wed Dec 10 2025

...GALE WARNING IN EFFECT FROM 11 AM EST THIS MORNING THROUGH
THIS EVENING...

.TODAY...Northwest winds 10 to 15 knots becoming north to
30 knots with gusts to 35 knot gales. Light snow and a slight
chance of light rain in the morning, then light snow likely and a
slight chance of light rain in the afternoon. Waves 1 to 3 feet
building to 8 to 12 feet. Waves occasionally around 15 feet.
.TONIGHT...Northwest winds to 30 knots diminishing to 20 to
25 knots after midnight. Gusts to 35 knot gales. Mostly cloudy
early in the evening becoming partly cloudy. A chance of light
snow. Waves 8 to 12 feet subsiding to 5 to 7 feet after midnight.
Waves occasionally around 15 feet.
.THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. Partly cloudy with a chance of
light snow. Waves 4 to 6 feet. Waves occasionally around 7 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves
3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally around 7 feet.

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

$$

LHZ443-101815-
Port Sanilac to Port Huron MI-
507 AM EST Wed Dec 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...West winds 10 to 15 knots becoming northwest to 30 knots.
Light rain and light snow in the morning, then light rain and
snow likely in the afternoon. Waves 1 to 3 feet building to 6 to 9
feet in the afternoon. Waves occasionally around 12 feet.
.TONIGHT...Northwest winds to 30 knots. Mostly cloudy early in
the evening becoming partly cloudy. A chance of light snow until
early morning, then a slight chance of light snow after midnight.
Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves
occasionally around 12 feet.
.THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. Mostly sunny early in the
morning becoming partly cloudy. A chance of light snow in the
late morning and afternoon. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Partly cloudy. 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.

$$

LEZ444-101815-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
507 AM EST Wed Dec 10 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...West winds 20 to 25 knots veering to the northwest late
in the afternoon. Gusts to 30 knots. Cloudy. Light rain likely in
the morning, then light rain likely and a slight chance of light
snow in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet
late in the afternoon. Waves occasionally around 7 feet.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.THURSDAY...West winds 15 to 20 knots. Mostly sunny until late
afternoon becoming partly cloudy. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to
10 knots. 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 32 degrees.

$$

BT

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