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FZUS53 KDTX 070249
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
949 PM EST Sat Dec 6 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.

LHZ422-071100-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
949 PM EST Sat Dec 6 2025

.REST OF TONIGHT...Northwest winds 5 to 10 knots. Cloudy. Light
snow likely after midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming northwest 15 to
20 knots. Light snow early in the morning, then mostly cloudy
with light snow likely in the late morning and early afternoon.
Partly cloudy early in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots becoming north 15 to
20 knots in the late evening and overnight. Mostly clear. Waves 2 to
4 feet. A Small Craft Advisory may be needed.
.MONDAY...North winds 10 to 15 knots becoming west 5 to 10 knots
in the late morning and early afternoon, then becoming southwest
10 to 15 knots early in the afternoon. 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.

$$

LHZ421-071100-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
949 PM EST Sat Dec 6 2025

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

.REST OF TONIGHT...Northwest winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Cloudy. Light snow likely after
midnight. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots increasing to 20 to
25 knots. Becoming partly cloudy early in the afternoon. Light
snow early in the morning, then light snow likely in the late
morning and early afternoon. A slight chance of light snow early
in the afternoon. Waves 1 to 3 feet building to 4 to 6 feet early
in the afternoon. Waves occasionally around 8 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots becoming north 15 to
20 knots. Mostly clear. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.MONDAY...North winds 10 to 15 knots becoming west 5 to 10 knots
in the late morning and early afternoon, then becoming southwest
10 to 15 knots early in the afternoon. Partly cloudy. Waves 3 to
5 feet subsiding to 1 to 3 feet in the late morning and
afternoon. Waves occasionally around 7 feet.

Wave heights are for ice free areas.

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

$$

LHZ441-071100-
Port Austin to Harbor Beach MI-
949 PM EST Sat Dec 6 2025

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

.REST OF TONIGHT...West winds 5 to 10 knots. Cloudy. Light snow
likely after midnight. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots becoming northwest 20 to
25 knots. Becoming partly cloudy early in the afternoon. Light
snow until late afternoon, then a slight chance of light snow
early in the afternoon. Waves 1 to 3 feet building to 4 to 6 feet
early in the afternoon. Waves occasionally around 8 feet.
.SUNDAY NIGHT...North winds to 30 knots diminishing to 15 to
20 knots after midnight. Partly cloudy. A slight chance of light
snow until early morning. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.MONDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and early afternoon, then becoming
southwest 10 to 15 knots early in the afternoon. Partly cloudy.
Waves 3 to 5 feet subsiding to 1 to 3 feet early in the
afternoon. Waves occasionally around 7 feet.

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

$$

LHZ442-071100-
Harbor Beach to Port Sanilac MI-
949 PM EST Sat Dec 6 2025

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

.REST OF TONIGHT...West winds 5 to 10 knots. Cloudy. A chance of
light snow after midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming northwest 20 to
25 knots. Becoming partly cloudy early in the afternoon. Light
snow early in the morning, then light snow likely in the late
morning and early afternoon. A chance of light snow early in the
afternoon. Waves 2 feet or less building to 3 to 5 feet early in
the afternoon. Waves occasionally around 7 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots becoming north
15 to 20 knots after midnight. Partly cloudy. A slight chance of
light snow until early morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.MONDAY...North winds 10 to 15 knots veering to the east in the
late morning and early afternoon, then veering to the southwest
early in the afternoon. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon. Waves
occasionally around 7 feet.

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

$$

LHZ443-071100-
Port Sanilac to Port Huron MI-
949 PM EST Sat Dec 6 2025

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

.REST OF TONIGHT...West winds 5 to 10 knots. Cloudy. A chance of
light snow after midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming northwest 15 to
20 knots. Becoming partly cloudy early in the afternoon. Light
snow early in the morning, then light snow likely in the late
morning and early afternoon. A chance of light snow early in the
afternoon. Waves 2 feet or less building to 2 to 4 feet early in
the afternoon.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots becoming north
15 to 20 knots after midnight. Partly cloudy. A slight chance of
light snow until early morning. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.MONDAY...Northeast winds 10 to 15 knots veering to the east in
the late morning and early afternoon, then becoming south 5 to
10 knots early in the afternoon. Mostly cloudy early in the
morning becoming partly cloudy. Waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. Waves occasionally around
7 feet.

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

$$

LEZ444-071100-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
949 PM EST Sat Dec 6 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Cloudy. Waves
2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming northwest 10 to
15 knots early in the afternoon. Light snow early in the morning,
then light snow likely in the late morning and early afternoon. A
chance of light snow early in the afternoon. Waves 2 feet or
less.
.SUNDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.MONDAY...North winds 10 to 15 knots becoming east 5 to 10 knots
in the late morning and afternoon. Partly cloudy. Waves 2 feet or
less.

Wave heights are for ice free areas.

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

The water temperature at Belle Isle is 33 degrees.

$$

CB

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