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FZUS53 KDTX 050753
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
353 AM EDT Sat Jul 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.

LHZ422-051600-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
353 AM EDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY MORNING...

.TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 25 knots in the afternoon. Mostly sunny.
Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.
.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots.
Mostly clear. Waves 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy with a
chance of showers in the morning, then mostly cloudy with a
chance of showers and thunderstorms in the afternoon. Waves 2 to
4 feet.
.SUNDAY NIGHT...North winds 15 to 20 knots. Mostly cloudy. Waves
1 to 3 feet.

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

$$

LHZ421-051600-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
353 AM EDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY MORNING...

.TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 25 knots in the afternoon. Mostly sunny. A
slight chance of showers in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots.
Mostly clear. A slight chance of showers in the evening. Waves 2
to 4 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy with a
chance of showers in the morning, then mostly cloudy with showers
likely and a chance of thunderstorms in the afternoon. Waves 2 to
4 feet.
.SUNDAY NIGHT...North winds 15 to 20 knots. Mostly cloudy. Waves
1 to 3 feet.

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

$$

LHZ441-051600-
Port Austin to Harbor Beach MI-
353 AM EDT Sat Jul 5 2025

.TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Mostly sunny. A slight chance of
showers and thunderstorms in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots. Mostly clear. A slight
chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy with a
chance of showers in the morning, then mostly cloudy with showers
likely and a chance of thunderstorms in the afternoon. Waves 2 to
4 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy. Light
showers likely in the evening. Waves 1 to 3 feet.

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

$$

LHZ442-051600-
Harbor Beach to Port Sanilac MI-
353 AM EDT Sat Jul 5 2025

.TODAY...South winds 10 to 15 knots. Mostly sunny in the morning,
then partly cloudy with a slight chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. A slight
chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots. Mostly sunny with a
chance of showers in the morning, then partly cloudy with a
chance of showers and thunderstorms in the afternoon. Waves 1 to
3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy. A
chance of showers in the evening. Waves 1 to 3 feet.

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

$$

LHZ443-051600-
Port Sanilac to Port Huron MI-
353 AM EDT Sat Jul 5 2025

.TODAY...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the afternoon. Mostly sunny in the morning, then
partly cloudy with a slight chance of showers and thunderstorms
in the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. A slight
chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots. Mostly sunny with a
chance of showers in the morning, then partly cloudy with showers
likely and a chance of thunderstorms in the afternoon. Waves
2 feet or less.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy.
Light showers likely and a chance of thunderstorms in the
evening, then a chance of showers after midnight. Waves 1 to
3 feet.

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

$$

LEZ444-051600-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
353 AM EDT Sat Jul 5 2025

.TODAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. Mostly sunny. Waves 2 feet or
less.
.TONIGHT...South winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.SUNDAY...Southwest winds 10 to 15 knots. Mostly sunny. A chance
of showers and thunderstorms in the afternoon. Waves 2 feet or
less.
.SUNDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. Partly cloudy with a
chance of showers and thunderstorms. Waves 2 feet or less.

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

The water temperature at Belle Isle is 74 degrees.

$$

TF

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