Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
633
FZUS53 KDTX 040759
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
359 AM 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.

LHZ422-041600-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
359 AM EDT Fri Jul 4 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Mostly sunny. A
slight chance of showers in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy. 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 in the
morning becoming partly cloudy. Waves 1 to 3 feet building to
2 to 4 feet early in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.

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

$$

LHZ421-041600-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
359 AM EDT Fri Jul 4 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.
.TONIGHT...Southeast winds 10 to 15 knots veering to the south
after midnight. Partly cloudy. Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. Mostly sunny in the morning
becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet
early in the afternoon.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy.
Waves 2 to 4 feet.

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

$$

LHZ441-041600-
Port Austin to Harbor Beach MI-
359 AM EDT Fri Jul 4 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.
.TONIGHT...South winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots. Mostly sunny in the
morning becoming partly cloudy. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Partly cloudy. Waves 1 to 3 feet.

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

$$

LHZ442-041600-
Harbor Beach to Port Sanilac MI-
359 AM EDT Fri Jul 4 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves
2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Partly cloudy.
Waves 2 feet or less.

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

$$

LHZ443-041600-
Port Sanilac to Port Huron MI-
359 AM EDT Fri Jul 4 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy. 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 2 feet or less.

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

$$

LEZ444-041600-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
359 AM EDT Fri Jul 4 2025

.TODAY...East winds 5 to 10 knots. Sunny. A slight chance of
showers and thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 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 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Sunny in the morning becoming
partly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Mostly clear. 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