071
FZUS53 KDTX 071937
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
337 PM EDT Mon Apr 7 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.

LHZ422-080345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
337 PM EDT Mon Apr 7 2025

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

.TONIGHT...Northwest winds to 30 knots diminishing to 15 to
20 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.TUESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Mostly sunny in the morning,
then partly cloudy with a slight chance of light snow in the
afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots becoming west
5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots. Mostly cloudy. A chance
of light rain and snow in the afternoon. Waves 2 feet or less.

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

$$

LHZ421-080345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
337 PM EDT Mon Apr 7 2025

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

.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots in the late evening and early morning,
then diminishing to 20 to 25 knots early in the morning. Partly
cloudy. A slight chance of light snow in the evening. Waves 8 to
12 feet. Waves occasionally around 15 feet.
.TUESDAY...Northwest winds 20 to 25 knots diminishing to 10 to
15 knots early in the afternoon. Mostly sunny in the morning
becoming partly cloudy. Waves 6 to 9 feet subsiding to 3 to
5 feet early in the afternoon. Waves occasionally around 12 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots becoming west
5 to 10 knots after midnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.WEDNESDAY...South winds 10 to 15 knots. Partly cloudy in the
morning becoming mostly cloudy. Waves 2 feet or less.

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

$$

LHZ441-080345-
Port Austin to Harbor Beach MI-
337 PM EDT Mon Apr 7 2025

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
in the late evening and early morning, then diminishing to 20 to
25 knots early in the morning. Gusts to 35 knot gales in the
evening. Mostly cloudy in the evening becoming partly cloudy. A
chance of light snow. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.TUESDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots early in the afternoon. Partly
cloudy. A slight chance of light snow in the morning. Waves 8 to
12 feet subsiding to 4 to 6 feet early in the afternoon. Waves
occasionally around 15 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots becoming west
5 to 10 knots after midnight. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. Partly cloudy. Waves 2 feet or
less.

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

$$

LHZ442-080345-
Harbor Beach to Port Sanilac MI-
337 PM EDT Mon Apr 7 2025

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

.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy with a chance of light snow in the evening, then
partly cloudy with a slight chance of light snow after midnight.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.TUESDAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the afternoon. Partly cloudy. A slight chance
of light snow in the morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TUESDAY NIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and early morning, then backing
to the west after midnight. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 3 feet in the late evening and overnight. Waves
occasionally around 7 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Partly cloudy in the
morning, then mostly cloudy with a chance of light rain and snow
in the afternoon. Waves 2 feet or less.

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

$$

LHZ443-080345-
Port Sanilac to Port Huron MI-
337 PM EDT Mon Apr 7 2025

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

.TONIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots
until early morning. Partly cloudy. A chance of light snow in the
evening, then a slight chance of light snow after midnight. Waves
5 to 7 feet. Waves occasionally around 10 feet.
.TUESDAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late morning and afternoon. Partly cloudy. A
slight chance of light snow in the morning. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.TUESDAY NIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and early morning, then backing
to the southwest after midnight. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. Partly cloudy in the morning,
then mostly cloudy with a chance of light rain and snow in the
afternoon. Waves 2 feet or less.

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

$$

LEZ444-080345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
337 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Northwest winds 15 to 25 knots. Mostly clear. A slight
chance of light snow in the evening. Waves 1 to 3 feet.
.TUESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and afternoon. Mostly sunny in the
morning, then partly cloudy with a slight chance of light rain
and snow in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots diminishing to
5 to 10 knots in the late evening and overnight. Partly cloudy in
the evening then clearing. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots backing to the south
early in the afternoon. Partly cloudy in the morning, then mostly
cloudy with a chance of light rain in the afternoon. Waves 2 feet
or less.

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

The water temperature at Belle Isle is 44 degrees.

$$

SF

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