Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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997
FZUS53 KDTX 290858
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
358 AM EST Sat Nov 29 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.

LHZ422-291700-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
358 AM EST Sat Nov 29 2025

.TODAY...West winds 10 to 15 knots becoming south 5 to 10 knots
in the late morning and early afternoon, then becoming southeast
10 to 15 knots late in the afternoon. Mostly cloudy. Light snow
likely in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 15 to 20 knots. Snow. Snow may be
heavy at times until early morning. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 15 to 20 knots becoming west 20 to 25 knots
in the late morning and early afternoon, then becoming northwest to
30 knots early in the afternoon. Light snow until late afternoon,
then a chance of light snow early in the afternoon. Waves 1 to 3
feet building to 2 to 4 feet in the late morning and afternoon. A
Small Craft Advisory may be needed.
.SUNDAY NIGHT...Northwest winds to 30 knots becoming west 15 to
20 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.

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

$$

LHZ421-291700-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
358 AM EST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...

.TODAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then becoming
south 10 to 15 knots late in the afternoon. Mostly cloudy. A
chance of light snow in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and early morning, then diminishing
to 15 to 20 knots after midnight. A chance of snow early in the
evening, then snow in the late evening and overnight. Snow may be
heavy at times early in the evening. Waves 1 to 3 feet building
to 3 to 5 feet in the late evening and overnight. Waves
occasionally around 7 feet.
.SUNDAY...Southwest winds 15 to 20 knots becoming west 20 to 25 knots
in the late morning and early afternoon, then becoming northwest to
30 knots early in the afternoon. Light snow until late afternoon.
Light rain in the late morning and early afternoon, then light
rain and snow likely early in the afternoon. Waves 3 to 5 feet
building to 6 to 9 feet early in the afternoon. Waves occasionally
around 12 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to
25 knots after midnight. Partly cloudy. Waves 6 to 9 feet. Waves
occasionally around 12 feet.

Small Craft Advisory conditions are expected to continue 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.

$$

LHZ441-291700-
Port Austin to Harbor Beach MI-
358 AM EST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...

.TODAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then becoming
south 10 to 15 knots late in the afternoon. Mostly cloudy. A
chance of light snow in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. A chance of snow early in the evening, then snow in
the late evening and overnight. A slight chance of light rain
after midnight. Snow may be heavy at times until early morning.
Waves 2 to 4 feet building to 6 to 9 feet in the late evening and
overnight. Waves occasionally around 12 feet.
.SUNDAY...South winds 20 to 25 knots veering to the west in the late
morning and early afternoon, then becoming northwest to 30 knots
early in the afternoon. Light rain early in the morning. Light
snow, then light rain early in the afternoon. Waves 4 to 6 feet
building to 6 to 9 feet early in the afternoon. Waves occasionally
around 12 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to
25 knots. Mostly cloudy early in the evening becoming partly
cloudy. A chance of light snow until early morning. Waves 8 to 12
feet. Waves occasionally around 15 feet.

Small Craft Advisory conditions are expected to continue 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.

$$

LHZ442-291700-
Harbor Beach to Port Sanilac MI-
358 AM EST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...

.TODAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then becoming
south 10 to 15 knots late in the afternoon. Partly cloudy in the
morning, then cloudy with a chance of light snow in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 20 to 25 knots. Gusts to 30 knots in
the late evening and overnight. Snow until early morning, then
light snow and a slight chance of 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.
.SUNDAY...South winds 20 to 25 knots veering to the west in the late
morning and early afternoon, then increasing to 30 knots early in
the afternoon. Light rain and light snow early in the morning,
then light snow in the late morning and afternoon. Waves 5 to 7
feet subsiding to 2 to 4 feet in the late morning and early
afternoon, then building to 5 to 7 feet early in the afternoon.
Waves occasionally around 10 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late evening and overnight.
Mostly cloudy early in the evening becoming partly cloudy. A
chance of light snow until early morning. Waves 6 to 9 feet. Waves
occasionally around 12 feet.

Small Craft Advisory conditions are expected to continue 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.

$$

LHZ443-291700-
Port Sanilac to Port Huron MI-
358 AM EST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...

.TODAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon, then becoming
south 10 to 15 knots late in the afternoon. Partly cloudy in the
morning, then cloudy with a chance of light snow in the
afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. Snow until early morning, then light snow and a slight
chance of 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.
.SUNDAY...Southwest winds 20 to 25 knots veering to the west
early in the afternoon. Gusts to 30 knots. Light rain early in
the morning. Light snow until late afternoon, then light snow
likely early in the afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to
25 knots in the late evening and overnight. Partly cloudy. A
chance of light snow until early morning. Waves 3 to 5 feet.
Waves occasionally around 7 feet.

Small Craft Advisory conditions are expected to continue 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.

$$

LEZ444-291700-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
358 AM EST Sat Nov 29 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...

.TODAY...Southwest winds 5 to 10 knots backing to the south early
in the afternoon, then becoming southeast 10 to 15 knots late in
the afternoon. Mostly cloudy. A slight chance of light snow in
the morning, then light snow likely in the afternoon. Waves
2 feet or less.
.TONIGHT...South winds 20 to 25 knots. Gusts to 30 knots in the
late evening and overnight. Snow until early morning, then light
rain and snow after midnight. Snow may be heavy at times until
early morning. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SUNDAY...Southwest winds to 30 knots becoming west 20 to 25 knots
early in the afternoon. Mostly cloudy. Light rain and a chance of
light snow early in the morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SUNDAY NIGHT...Northwest 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 Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 41 degrees.

$$

TF

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