078
FZUS53 KDTX 122003
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
403 PM EDT Sat Jul 12 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.

LHZ422-130415-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
403 PM EDT Sat Jul 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...Southwest winds 10 to 15 knots. Mostly clear. A slight
chance of showers and thunderstorms in the evening, then a slight
chance of showers after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.SUNDAY...Southwest winds 5 to 10 knots. Sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ421-130415-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
403 PM EDT Sat Jul 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...Southwest winds 10 to 15 knots. Mostly clear. A slight
chance of showers and thunderstorms in the evening, then a slight
chance of showers after midnight. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.SUNDAY...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and afternoon. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and overnight. Mostly clear. Waves
2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ441-130415-
Port Austin to Harbor Beach MI-
403 PM EDT Sat Jul 12 2025

.TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the morning. Mostly clear. A chance of showers
and thunderstorms in the evening, then a slight chance of showers
after midnight. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots veering to the west
after midnight. Mostly clear. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. Sunny. Waves 2 feet
or less.

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

$$

LHZ442-130415-
Harbor Beach to Port Sanilac MI-
403 PM EDT Sat Jul 12 2025

.TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy. A
chance of showers and thunderstorms in the evening, then a chance
of showers after midnight. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots veering to the
southwest in the late evening and overnight. Mostly clear. Waves
2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ443-130415-
Port Sanilac to Port Huron MI-
403 PM EDT Sat Jul 12 2025

.TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Mostly cloudy with a
chance of showers and thunderstorms in the evening, then partly
cloudy with a chance of showers and a slight chance of
thunderstorms after midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots backing to the west
in the late evening and overnight. Mostly clear. Waves 2 feet or
less.
.MONDAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or
less.

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

$$

LEZ444-130415-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
403 PM EDT Sat Jul 12 2025

.TONIGHT...Southwest winds 10 to 15 knots becoming west 5 to
10 knots early in the morning. Mostly cloudy with a chance of
showers and thunderstorms in the evening, then partly cloudy with
a chance of showers and a slight chance of thunderstorms after
midnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots. Partly cloudy in the morning,
then mostly sunny with isolated showers and thunderstorms in the
afternoon. Waves 2 feet or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.MONDAY...West winds 5 to 10 knots. Sunny. Waves 2 feet or less.

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

The water temperature at Belle Isle is 76 degrees.

$$

AM

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