Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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793
FZUS53 KDTX 310857
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
357 AM EST Fri Jan 31 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.

LHZ422-311700-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
357 AM EST Fri Jan 31 2025

.TODAY...Northeast winds 5 to 10 knots increasing to 15 to
20 knots. Cloudy. A slight chance of light freezing rain in the
morning, then a slight chance of light rain and snow in the
afternoon.
.TONIGHT...North winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Partly cloudy.
.SATURDAY...Northeast winds 10 to 15 knots veering to the east
early in the afternoon. Partly cloudy in the morning becoming
mostly cloudy.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Cloudy. A
chance of light snow after midnight.

Waves omitted due to ice coverage.

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

$$

LHZ421-311700-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
357 AM EST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Cloudy. Waves 1 to 3 feet building to
3 to 5 feet in the afternoon. Waves occasionally around 7 feet.
.TONIGHT...North winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. Mostly cloudy in the
evening becoming partly cloudy. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.SATURDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots in the late morning and afternoon. Partly cloudy in the
morning becoming mostly cloudy. Waves 4 to 6 feet subsiding to
1 to 3 feet early in the afternoon. Waves occasionally around
8 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots increasing to
20 to 25 knots after midnight. Cloudy. Waves 1 to 3 feet building
to 3 to 5 feet in the late evening and overnight. Waves
occasionally around 7 feet.

Wave heights are for ice free areas.

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

$$

LHZ441-311700-
Port Austin to Harbor Beach MI-
357 AM EST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Cloudy. Waves 1 to 3 feet building to
3 to 5 feet in the afternoon. Waves occasionally around 7 feet.
.TONIGHT...North winds 15 to 20 knots. Mostly cloudy. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SATURDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots in the late morning and early afternoon, then becoming
east 5 to 10 knots early in the afternoon. Mostly cloudy. Waves
4 to 6 feet subsiding to 2 to 4 feet early in the afternoon.
Waves occasionally around 8 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Mostly cloudy.
Waves 1 to 3 feet building to 4 to 6 feet in the late evening and
overnight. Waves occasionally around 8 feet.

Wave heights are for ice free areas.

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

$$

LHZ442-311700-
Harbor Beach to Port Sanilac MI-
357 AM EST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...North winds 5 to 10 knots becoming northeast 15 to
20 knots. Cloudy. A chance of light rain in the morning, then a
chance of light rain and snow in the afternoon. Waves 1 to 3 feet
building to 3 to 5 feet late in the afternoon. Waves occasionally
around 7 feet.
.TONIGHT...North winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. Mostly cloudy. A chance of light snow in
the evening. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.SATURDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots in the late morning and early afternoon, then becoming
east 5 to 10 knots early in the afternoon. Mostly cloudy. Waves
4 to 6 feet subsiding to 2 to 4 feet early in the afternoon.
Waves occasionally around 8 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots increasing to
20 to 25 knots. Mostly cloudy. Waves 1 to 3 feet building to 4 to
6 feet in the late evening and overnight. Waves occasionally
around 8 feet.

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

$$

LHZ443-311700-
Port Sanilac to Port Huron MI-
357 AM EST Fri Jan 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EST THIS MORNING
THROUGH SATURDAY MORNING...

.TODAY...North winds 5 to 10 knots becoming northeast 15 to
20 knots. Cloudy. A chance of light rain in the morning, then
light rain and snow likely in the afternoon. Waves 2 feet or less
building to 3 to 5 feet late in the afternoon. Waves occasionally
around 7 feet.
.TONIGHT...North winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. Mostly cloudy. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.SATURDAY...North winds 15 to 20 knots becoming east 5 to
10 knots. Mostly cloudy. Waves 3 to 5 feet subsiding to 2 to
4 feet early in the afternoon. Waves occasionally around 7 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Mostly cloudy.
Waves 1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. Waves occasionally around 7 feet.

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

$$

LEZ444-311700-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
357 AM EST Fri Jan 31 2025

.TODAY...East winds 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. Light rain.
.TONIGHT...North winds 10 to 15 knots. Mostly cloudy. Light rain
with light snow likely in the evening, then a chance of light
snow after midnight.
.SATURDAY...North winds 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. Partly cloudy.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly cloudy.

Waves omitted due to ice coverage.

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

The water temperature at Belle Isle is 32 degrees.

$$

MV

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