925
FZUS53 KDTX 052048
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
348 PM EST Fri Dec 5 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.

LHZ422-060500-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
348 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots.
Cloudy with a slight chance of light snow showers. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Mostly cloudy. A slight chance
of light snow showers early in the morning. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to
5 to 10 knots in the late evening and overnight. Partly cloudy
early in the evening becoming mostly cloudy. Waves 2 feet or
less.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots in the late morning and early afternoon, then increasing
to 15 to 20 knots early in the afternoon. Mostly cloudy with a
chance of light snow until late afternoon, then partly cloudy
early in the afternoon. Waves 2 feet or less.

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

$$

LHZ421-060500-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
348 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots.
Cloudy with a chance of light snow showers. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy. A slight
chance of light snow showers early in the morning. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Partly cloudy early in the evening
becoming mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots becoming northwest 20 to
25 knots. Mostly cloudy until late afternoon becoming partly
cloudy. A chance of light snow in the late morning and early
afternoon. Waves 1 to 3 feet building to 4 to 6 feet early in the
afternoon. Waves occasionally around 8 feet.

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

$$

LHZ441-060500-
Port Austin to Harbor Beach MI-
348 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...Southwest winds 20 to 25 knots. Gusts to 30 knots in
the late evening and overnight. Cloudy. A slight chance of light
snow showers in the evening, then a chance of light snow showers
after midnight. Waves 4 to 6 feet. Waves occasionally around
7 feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy. A chance of
light snow showers early in the morning, then a slight chance of
light snow showers in the late morning and early afternoon. Waves
3 to 5 feet. Waves occasionally around 7 feet.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.SUNDAY...West winds 10 to 15 knots becoming northwest 20 to
25 knots. Mostly cloudy. Light snow likely early in the morning,
then a chance of light snow in the late morning and afternoon.
Waves 1 to 3 feet building to 4 to 6 feet early in the afternoon.
Waves occasionally around 8 feet.

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

$$

LHZ442-060500-
Harbor Beach to Port Sanilac MI-
348 PM EST Fri Dec 5 2025

.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots.
Cloudy with a slight chance of light snow showers. Waves 2 to 5
feet.
.SATURDAY...West winds 15 to 20 knots. Mostly cloudy until late
afternoon becoming partly cloudy. A slight chance of light snow
showers until late afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy early
in the evening becoming mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots becoming northwest 15 to
20 knots. Mostly cloudy until late afternoon becoming partly
cloudy. Light snow likely until late afternoon, then a chance of
light snow early in the afternoon. Waves 2 feet or less building
to 2 to 4 feet early in the afternoon.

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

$$

LHZ443-060500-
Port Sanilac to Port Huron MI-
348 PM EST Fri Dec 5 2025

.TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. A
slight chance of light snow showers after midnight. A slight
chance of light freezing drizzle after midnight. Waves 2 to
4 feet.
.SATURDAY...Southwest winds 15 to 20 knots veering to the west
early in the afternoon. Mostly cloudy. A slight chance of light
freezing drizzle early in the morning. A slight chance of light
snow showers until late afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy early
in the evening becoming mostly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming northwest 15 to
20 knots. Mostly cloudy with a chance of light snow. Waves 1 to
3 feet.

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

$$

LEZ444-060500-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
348 PM EST Fri Dec 5 2025

.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots.
Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight.
.SATURDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Mostly cloudy. A
slight chance of light snow showers in the late morning and early
afternoon. A slight chance of light freezing drizzle in the late
morning and early afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots until early morning
becoming light and variable. Mostly cloudy. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots veering to the west in
the late morning and early afternoon, then becoming northwest
10 to 15 knots early in the afternoon. Mostly cloudy until late
afternoon becoming partly cloudy. A chance of light snow until
late afternoon. Waves 2 feet or less.

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

The water temperature at Belle Isle is 35 degrees.

$$

SF

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