005
FZUS53 KDTX 031959
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
359 PM EDT Wed Sep 3 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.

LHZ422-040400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
359 PM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 15 to 20 knots veering to the northwest
after midnight. A slight chance of waterspouts in the evening.
Rain showers and a chance of thunderstorms in the evening, then a
chance of showers after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet after midnight.
.THURSDAY...West winds 10 to 15 knots. Partly cloudy becoming
mostly sunny in the late morning and early afternoon becoming
partly cloudy. A slight chance of showers early in the morning.
Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots becoming south
20 to 25 knots with gusts to 30 knots after midnight. Mostly
clear until early morning becoming mostly cloudy. A chance of
showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet
after midnight. Waves occasionally around 7 feet.
.FRIDAY...South winds to 30 knots becoming southwest gales to 35 knot
gales in the late morning and afternoon. Gusts to 40 knot gales.
Mostly cloudy early in the morning becoming partly cloudy. A chance
of showers early in the morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet. A Gale Warning may be needed.

Gales will be possible 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.

$$

LHZ421-040400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
359 PM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 15 to 20 knots veering to the northwest
after midnight. A slight chance of waterspouts in the evening.
Rain showers and a chance of thunderstorms in the evening, then a
chance of showers after midnight. Waves 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Partly cloudy becoming mostly
sunny in the late morning and early afternoon becoming partly
cloudy. A chance of showers early in the morning. Waves 1 to
3 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots becoming south
20 to 25 knots with gusts to 30 knots after midnight. Partly
cloudy. A chance of showers after midnight. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.FRIDAY...South winds to 30 knots becoming southwest gales to 35 knot
gales in the late morning and afternoon. Gusts to 40 knot gales.
Mostly cloudy early in the morning becoming partly cloudy. A chance
of showers until late afternoon. Waves 6 to 9 feet. Waves
occasionally around 12 feet. A Gale Warning may be needed.

Gales will be possible 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.

$$

LHZ441-040400-
Port Austin to Harbor Beach MI-
359 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 15 to 20 knots veering to the northwest
after midnight. Rain showers and a chance of thunderstorms in the
evening, then showers after midnight. Waves 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. A chance of showers early in the morning. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Partly cloudy. A chance of showers
after midnight. Waves 2 to 4 feet.
.FRIDAY...South winds to 30 knots becoming southwest gales to 35 knot
gales in the late morning and afternoon. Gusts to 40 knot gales.
Mostly cloudy early in the morning becoming partly cloudy. A chance
of showers until late afternoon. Waves 6 to 9 feet building to 8 to
12 feet early in the afternoon. Waves occasionally around 15 feet. A
Gale Warning may be needed.

Gales will be possible 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.

$$

LHZ442-040400-
Harbor Beach to Port Sanilac MI-
359 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 10 to 15 knots veering to the northwest
early in the morning. A chance of waterspouts in the evening.
Rain showers and a chance of thunderstorms in the evening, then
showers and a slight chance of thunderstorms after midnight.
Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Cloudy with a chance of
showers early in the morning, then partly cloudy in the late
morning and afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Mostly clear. Waves 2 feet or
less.
.FRIDAY...South winds to 30 knots veering to the west early in the
afternoon. Gusts to 40 knot gales. Partly cloudy. Waves 5 to 7 feet.
Waves occasionally around 10 feet. A Gale Warning may be needed.

Gales will be possible 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.

$$

LHZ443-040400-
Port Sanilac to Port Huron MI-
359 PM EDT Wed Sep 3 2025

...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TONIGHT...West winds 10 to 15 knots. Rain showers and a slight
chance of thunderstorms. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the afternoon. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. A chance of showers early in the morning, then a slight
chance of showers in the late morning and early afternoon. Waves
1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.FRIDAY...South winds to 30 knots veering to the west early in the
afternoon. Gusts to 35 knot gales. Partly cloudy until late afternoon
becoming mostly sunny. Waves 4 to 6 feet. Waves occasionally around 7
feet. A Gale Warning may be needed.

Gales will be possible 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.

$$

LEZ444-040400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
359 PM EDT Wed Sep 3 2025

.TONIGHT...West winds 10 to 15 knots. A slight chance of
waterspouts in the evening. Rain showers and a chance of
thunderstorms in the evening, then showers and a slight chance of
thunderstorms after midnight. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the afternoon. Mostly cloudy with a chance of
showers early in the morning, then partly cloudy with a slight
chance of showers in the late morning and early afternoon. Partly
cloudy early in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming south 15 to
20 knots after midnight. Mostly clear. Waves 2 feet or less.
.FRIDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
veering to the west with gusts to 30 knots early in the afternoon.
Mostly sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet. A
Small Craft Advisory may be needed.

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

The water temperature at Belle Isle is 70 degrees.

$$

DRK

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