977
FZUS53 KDTX 100309
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1009 PM EST Tue Dec 9 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.

LHZ422-101115-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1009 PM EST Tue Dec 9 2025

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

.REST OF TONIGHT...South winds 5 to 10 knots backing to the
southeast after midnight, then becoming east 10 to 15 knots early
in the morning. A chance of light snow this evening, then snow
after midnight. Snow may be heavy at times after midnight. Waves
2 feet or less.
.WEDNESDAY...Northeast winds 15 to 20 knots becoming north 20 to
25 knots in the late morning and afternoon. Gusts to 35 knot
gales. Becoming partly cloudy early in the afternoon. Snow early
in the morning, then a chance of light snow in the late morning
and early afternoon. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to
35 knot gales becoming west 15 to 20 knots. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.THURSDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to
3 feet.

Wave heights are for ice free areas.

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

$$

LHZ421-101115-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1009 PM EST Tue Dec 9 2025

...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.REST OF TONIGHT...Southwest winds 10 to 15 knots becoming south
5 to 10 knots after midnight, then becoming east 10 to 15 knots
early in the morning. A chance of light snow this evening, then
snow after midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 20 to 25 knots becoming north to
30 knots in the late morning and afternoon. Gusts to 35 knot
gales. Light snow and a slight chance of light rain early in the
morning, then a chance of light snow in the late morning and
early afternoon. A slight chance of light snow early in the
afternoon. Waves 4 to 6 feet building to 8 to 12 feet in the late
morning and afternoon. Waves occasionally around 15 feet.
.WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to
35 knot gales diminishing to 20 to 25 knots after midnight.
Partly cloudy with a slight chance of light snow. Heavy freezing
spray early in the evening. A slight chance of. 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. Waves 5 to
7 feet. Waves occasionally around 10 feet.

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

$$

LHZ441-101115-
Port Austin to Harbor Beach MI-
1009 PM EST Tue Dec 9 2025

...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.REST OF TONIGHT...Southwest winds 10 to 15 knots becoming south
5 to 10 knots after midnight, then becoming southeast 10 to
15 knots early in the morning. Cloudy. A chance of light snow
this evening, then a chance of snow and a slight chance of rain
after midnight. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 20 to 25 knots becoming north to
30 knots with gusts to 35 knot gales in the late morning and
afternoon. Light snow in the morning. A slight chance of light
rain. A chance of light snow in the afternoon. Waves 3 to 5 feet
building to 8 to 12 feet in the late morning and afternoon. Waves
occasionally around 15 feet.
.WEDNESDAY NIGHT...North gales to 35 knot gales becoming
northwest to 30 knots in the late evening and overnight. Mostly
cloudy with a chance of light snow. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots early in the afternoon. Mostly
cloudy. A chance of light snow early in the afternoon. Waves 6 to
9 feet. Waves occasionally around 12 feet.

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

$$

LHZ442-101115-
Harbor Beach to Port Sanilac MI-
1009 PM EST Tue Dec 9 2025

...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.REST OF TONIGHT...South winds 10 to 15 knots. A chance of light
snow this evening, then light snow and a slight chance of rain
after midnight. Waves 1 to 3 feet.
.WEDNESDAY...East winds 10 to 15 knots becoming north 20 to
25 knots with gusts to 30 knots in the late morning and early
afternoon, then increasing to 30 knots with gusts to 35 knot
gales early in the afternoon. Light snow and a slight chance of
light rain until late afternoon, then a slight chance of light
snow early in the afternoon. Waves 1 to 3 feet building to 6 to
9 feet in the late morning and afternoon. Waves occasionally
around 12 feet.
.WEDNESDAY NIGHT...Northwest gales to 35 knot gales diminishing
to 20 to 25 knots in the late evening and overnight. Partly
cloudy with 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.

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

$$

LHZ443-101115-
Port Sanilac to Port Huron MI-
1009 PM EST Tue Dec 9 2025

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

.REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. A chance of light snow this
evening, then light snow and a slight chance of rain after
midnight. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest
20 to 25 knots with gusts to 30 knots in the late morning and
early afternoon, then becoming north to 30 knots with gusts to
35 knot gales early in the afternoon. Light rain and light snow
until late afternoon, then a slight chance of light snow early in
the afternoon. Waves 1 to 3 feet building to 6 to 9 feet. Waves
occasionally around 12 feet.
.WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to
35 knot gales becoming west 20 to 25 knots after midnight. Mostly
cloudy early in the evening becoming partly cloudy. A chance of
light snow until early morning. Waves 6 to 9 feet subsiding to
4 to 6 feet after midnight. Waves occasionally around 12 feet.
.THURSDAY...West winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. Partly cloudy. A chance of light
snow early in the afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

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

$$

LEZ444-101115-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1009 PM EST Tue Dec 9 2025

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

.REST OF TONIGHT...South winds 15 to 20 knots with gusts to
30 knots becoming southwest 20 to 25 knots with gusts to 35 knot
gales early in the morning. A chance of rain and light snow this
evening, then rain and light snow after midnight. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.WEDNESDAY...Southwest winds 20 to 25 knots veering to the
northwest early in the afternoon. Gusts to 35 knot gales. Light
rain likely early in the morning, then light rain with light snow
likely in the late morning and early afternoon. A chance of light
snow and a slight chance of light rain early in the afternoon.
Waves 3 to 5 feet subsiding to 2 to 4 feet early in the
afternoon. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots becoming west 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 diminishing to 10 to
15 knots early in the afternoon. Mostly sunny early in the
morning becoming partly cloudy. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 32 degrees.

$$

AA

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