336
FZUS53 KDTX 250739
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
339 AM EDT Fri Jul 25 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.

LHZ422-251545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
339 AM EDT Fri Jul 25 2025

.TODAY...Northeast winds 5 to 10 knots veering to the east late
in the afternoon. Mostly cloudy with a slight chance of showers
in the morning, then partly cloudy in the afternoon. Waves 2 feet
or less.
.TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots
in the late evening and overnight. Partly cloudy. Waves 2 feet or
less.
.SATURDAY...East winds 5 to 10 knots. Mostly cloudy. A chance of
showers early in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots veering to the
southwest in the late evening and overnight. Partly cloudy. A
chance of showers until early morning. Waves 2 feet or less.

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

$$

LHZ421-251545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
339 AM EDT Fri Jul 25 2025

.TODAY...North winds 5 to 10 knots veering to the northeast in
the afternoon. Partly cloudy. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.SATURDAY...East winds 5 to 10 knots. Mostly cloudy. Waves 2 feet
or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots veering to the
southwest in the late evening and overnight. Partly cloudy. Waves
2 feet or less.

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

$$

LHZ441-251545-
Port Austin to Harbor Beach MI-
339 AM EDT Fri Jul 25 2025

.TODAY...North winds 5 to 10 knots. Mostly cloudy in the morning
becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots early in the evening
becoming light and variable, then becoming east 5 to 10 knots
after midnight. Partly cloudy. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots. Partly cloudy early in
the morning becoming mostly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots veering to the
southwest in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. A chance of showers until
early morning. Waves 2 feet or less.

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

$$

LHZ442-251545-
Harbor Beach to Port Sanilac MI-
339 AM EDT Fri Jul 25 2025

.TODAY...North winds 5 to 10 knots. Mostly cloudy with a chance
of showers in the morning, then partly cloudy in the afternoon.
Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots early in the evening
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots. Mostly cloudy. A
chance of showers early in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots veering to the
southwest in the late evening and overnight. Mostly cloudy until
early morning becoming partly cloudy. A chance of thunderstorms
early in the evening. A chance of showers until early morning. A
chance of thunderstorms in the late evening and early morning.
Some thunderstorms may produce heavy rainfall early in the
evening. Waves 2 feet or less.

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

$$

LHZ443-251545-
Port Sanilac to Port Huron MI-
339 AM EDT Fri Jul 25 2025

.TODAY...North winds 5 to 10 knots. Mostly cloudy. A chance of
showers and a slight chance of thunderstorms in the morning.
Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy until early morning
becoming mostly cloudy. A slight chance of showers after
midnight. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots veering to the south
early in the afternoon. Mostly cloudy. A chance of showers and
thunderstorms early in the afternoon. Some thunderstorms may
produce heavy rainfall early in the afternoon. Waves 2 feet or
less.
.SATURDAY NIGHT...South winds 5 to 10 knots veering to the
southwest after midnight. Mostly cloudy. A chance of showers and
thunderstorms. Some thunderstorms may produce heavy rainfall
early in the evening. Waves 2 feet or less.

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

$$

LEZ444-251545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
339 AM EDT Fri Jul 25 2025

.TODAY...West winds 5 to 10 knots. Mostly cloudy. A chance of
showers and thunderstorms. Some thunderstorms may produce heavy
rainfall in the afternoon. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots
in the late evening and overnight. Mostly cloudy. A chance of
showers and thunderstorms. Some thunderstorms may produce heavy
rainfall early in the evening. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots veering to the
southwest in the late morning and afternoon. Mostly cloudy. A
chance of showers and thunderstorms early in the morning. Showers
likely in the late morning and afternoon. A chance of
thunderstorms early in the afternoon. Some thunderstorms may
produce heavy rainfall early in the morning. Some thunderstorms
may produce heavy rainfall early in the afternoon. Waves 2 feet
or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy
with showers likely and a chance of thunderstorms early in the
evening, then partly cloudy with a chance of showers and
thunderstorms in the late evening and overnight. Some
thunderstorms may produce heavy rainfall early in the evening.
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.

$$

KDK

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