197
FZUS53 KDTX 200133
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
933 PM EDT Sat Jul 19 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.

LHZ422-200945-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...West winds 5 to 10 knots becoming north 10 to
15 knots after midnight. Mostly cloudy with scattered showers and
a chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Clear. Waves 2 feet
or less.
.MONDAY...Northeast winds 10 to 15 knots. Sunny. Waves 2 feet or
less.

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

$$

LHZ421-200945-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...Northwest winds 5 to 10 knots becoming north
10 to 15 knots after midnight. Mostly cloudy with scattered
showers and a chance of thunderstorms. Waves 1 to 3 feet.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming sunny.
Waves 1 to 3 feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming north
10 to 15 knots in the late evening and overnight. Clear. Waves
1 to 3 feet.
.MONDAY...Northeast winds 10 to 15 knots. Sunny. Waves 1 to
3 feet.

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

$$

LHZ441-200945-
Port Austin to Harbor Beach MI-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...West winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. Mostly cloudy with scattered
showers and a chance of thunderstorms. Waves 1 to 3 feet.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Clear. Waves 1 to
3 feet.
.MONDAY...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Sunny. Waves 1 to
3 feet.

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

$$

LHZ442-200945-
Harbor Beach to Port Sanilac MI-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots veering to the
west after midnight, then becoming northwest 10 to 15 knots early
in the morning. Mostly cloudy with numerous showers and a chance
of thunderstorms. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots. Clear. Waves 1 to
3 feet.
.MONDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Sunny. Waves 1 to 3 feet.

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

$$

LHZ443-200945-
Port Sanilac to Port Huron MI-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots becoming
northwest 10 to 15 knots early in the morning. Mostly cloudy with
numerous showers and a chance of thunderstorms. Waves 2 feet or
less.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy early in the
morning becoming partly cloudy. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Clear. Waves 1 to
3 feet.
.MONDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Sunny. Waves 1 to 3 feet.

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

$$

LEZ444-200945-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
933 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...Southwest winds 10 to 15 knots. Mostly cloudy
with scattered showers and a chance of thunderstorms this
evening, then partly cloudy with scattered showers and a slight
chance of thunderstorms after midnight. Waves 2 feet or less.
.SUNDAY...Northwest winds 5 to 10 knots veering to the north
early in the afternoon. Mostly cloudy becoming partly cloudy in
the late morning and early afternoon becoming mostly cloudy.
Isolated showers in the late morning and early afternoon. A
slight chance of thunderstorms and isolated showers early in the
afternoon. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.MONDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

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

The water temperature at Belle Isle is 75 degrees.

$$

SC

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