791
FZUS53 KDTX 041943
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
343 PM EDT Fri Jul 4 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.

LHZ422-050345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
343 PM EDT Fri Jul 4 2025

.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy. A
slight chance of showers and thunderstorms in the evening. Waves
2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet building to 2 to 4 feet early in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 feet.

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

$$

LHZ421-050345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
343 PM EDT Fri Jul 4 2025

.TONIGHT...Southeast winds 10 to 15 knots veering to the south
after midnight. Partly cloudy. A slight chance of showers and
thunderstorms in the evening. Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Mostly sunny. Waves
1 to 3 feet building to 2 to 4 feet early in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots. Mostly clear.
Waves 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 feet.

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

$$

LHZ441-050345-
Port Austin to Harbor Beach MI-
343 PM EDT Fri Jul 4 2025

.TONIGHT...South winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Partly cloudy in the morning
then clearing. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming south
10 to 15 knots in the late evening and early morning, then
becoming southwest 15 to 20 knots after midnight. Partly cloudy.
Waves 1 to 3 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance
of showers and thunderstorms in the afternoon. Waves 2 to 4 feet.

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

$$

LHZ442-050345-
Harbor Beach to Port Sanilac MI-
343 PM EDT Fri Jul 4 2025

.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. Partly cloudy. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Partly cloudy.
Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots. Mostly sunny in the
morning, then partly cloudy with a chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.

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

$$

LHZ443-050345-
Port Sanilac to Port Huron MI-
343 PM EDT Fri Jul 4 2025

.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. Partly cloudy. A slight chance of
showers and thunderstorms in the evening. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Partly cloudy.
Waves 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 15 knots. Sunny in the morning,
then partly cloudy with a chance of showers and thunderstorms in
the afternoon. Waves 2 feet or less.

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

$$

LEZ444-050345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
343 PM EDT Fri Jul 4 2025

.TONIGHT...Southeast winds 5 to 10 knots veering to the south
early in the morning. Partly cloudy. A slight chance of showers
and thunderstorms in the evening. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Mostly clear. Waves
2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. Sunny. A chance of
showers and thunderstorms 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 74 degrees.

$$

KDK

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