847
FZUS53 KDTX 160136
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
936 PM EDT Tue Jul 15 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.

LHZ422-160945-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny in the
morning, then partly cloudy with a chance of showers and
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy. A chance of showers
and thunderstorms. Some thunderstorms may produce heavy rainfall
in the evening. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. Partly cloudy with a
chance of showers. Waves 1 to 3 feet.

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

$$

LHZ421-160945-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...South winds 5 to 10 knots increasing to 10 to
15 knots after midnight, then diminishing to 5 to 10 knots early
in the morning. Clear. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny. A chance of
showers and thunderstorms in the afternoon. Some thunderstorms
may produce heavy rainfall in the afternoon. Waves 2 feet or
less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy. A chance of showers
and thunderstorms. Some thunderstorms may produce heavy rainfall
in the evening. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. Partly cloudy in the
morning becoming mostly cloudy. A chance of showers. Waves 1 to
3 feet building to 2 to 4 feet early in the afternoon.

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

$$

LHZ441-160945-
Port Austin to Harbor Beach MI-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots backing to the southeast
early in the afternoon. Sunny in the morning, then partly cloudy
with a chance of showers and thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the afternoon. Waves
2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A
chance of showers and thunderstorms. Some thunderstorms may
produce heavy rainfall in the evening. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots early in the afternoon. Partly cloudy in the morning
becoming mostly cloudy. A chance of showers. Waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon.

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

$$

LHZ442-160945-
Harbor Beach to Port Sanilac MI-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Sunny in the morning,
then partly cloudy with a chance of showers and thunderstorms in
the afternoon. Some thunderstorms may produce heavy rainfall in
the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A
chance of showers and thunderstorms. Some thunderstorms may
produce heavy rainfall in the evening. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming northwest
10 to 15 knots in the late morning and early afternoon, then
increasing to 15 to 20 knots early in the afternoon. Partly
cloudy in the morning becoming mostly cloudy. A chance of
showers. Waves 1 to 3 feet.

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

$$

LHZ443-160945-
Port Sanilac to Port Huron MI-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly sunny with a
slight chance of showers and thunderstorms in the morning, then
partly cloudy with a chance of showers and thunderstorms in the
afternoon. Some thunderstorms may produce heavy rainfall. Waves
2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A
chance of showers and thunderstorms in the evening, then a chance
of showers after midnight. Some thunderstorms may produce heavy
rainfall in the evening. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and early afternoon, then becoming
northwest 15 to 20 knots early in the afternoon. Partly cloudy in
the morning becoming mostly cloudy. Light showers likely. Waves
2 feet or less.

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

$$

LEZ444-160945-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
936 PM EDT Tue Jul 15 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Partly cloudy.
A slight chance of showers and thunderstorms after midnight.
Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Mostly cloudy in the
morning becoming partly cloudy. A chance of showers and
thunderstorms. Some thunderstorms may produce heavy rainfall.
Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Partly cloudy. A chance of
thunderstorms and a slight chance of showers in the evening, then
a chance of showers after midnight. Some thunderstorms may
produce heavy rainfall in the evening. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots. Partly cloudy. A chance of
showers in the morning, then showers likely and a chance of
thunderstorms in the afternoon. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 77 degrees.

$$

JA

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