334
FZUS53 KDTX 171944
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
344 PM EDT Tue Jun 17 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.

LHZ422-180345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
344 PM EDT Tue Jun 17 2025

.TONIGHT...Southwest winds 10 to 15 knots veering to the north
this evening, then becoming northeast 5 to 10 knots after
midnight. Mostly clear with a slight chance of showers and
thunderstorms in the evening, then mostly cloudy with a chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Showers likely and a slight
chance of thunderstorms in the morning, then showers and a chance
of thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots backing to the
northwest after midnight. Rain showers and a chance of
thunderstorms in the evening, then showers after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Waves
1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Partly cloudy with a chance of
showers in the morning, then mostly sunny in the afternoon. Waves
1 to 3 feet.

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

$$

LHZ421-180345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
344 PM EDT Tue Jun 17 2025

.TONIGHT...Southwest winds 10 to 15 knots veering to the north
this evening, then becoming northeast 5 to 10 knots after
midnight. Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly cloudy with a slight
chance of showers after midnight. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly cloudy. Rain showers
likely in the morning, then showers likely and a chance of
thunderstorms in the afternoon. Some thunderstorms may produce
heavy rainfall in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots backing to the
northwest after midnight. Rain showers and a chance of
thunderstorms in the evening, then showers after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Waves
1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Partly cloudy. A chance of
showers in the morning. Waves 1 to 3 feet.

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

$$

LHZ441-180345-
Port Austin to Harbor Beach MI-
344 PM EDT Tue Jun 17 2025

.TONIGHT...Southwest winds 10 to 15 knots becoming northwest 5 to
10 knots this evening, then veering to the northeast after
midnight. Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly cloudy with a slight
chance of showers after midnight. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming northeast 5 to
10 knots in the late morning and afternoon. Mostly cloudy. A
slight chance of showers in the morning, then showers likely and
a chance of thunderstorms in the afternoon. Some thunderstorms
may produce heavy rainfall in the afternoon. Waves 2 feet or
less.
.WEDNESDAY NIGHT...East winds 10 to 15 knots becoming northwest
15 to 20 knots after midnight. Rain showers and a chance of
thunderstorms in the evening, then showers after midnight. Some
thunderstorms may produce heavy rainfall in the evening. Waves
1 to 3 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Partly cloudy with a chance of
showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.

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

$$

LHZ442-180345-
Harbor Beach to Port Sanilac MI-
344 PM EDT Tue Jun 17 2025

.TONIGHT...South winds 10 to 15 knots becoming southwest 5 to
10 knots this evening, then veering to the north after midnight.
Partly cloudy. A chance of showers and thunderstorms in the
evening, then a slight chance of showers and thunderstorms after
midnight. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Mostly cloudy. A
chance of showers and a slight chance of thunderstorms in the
morning, then showers likely and a chance of thunderstorms in the
afternoon. Some thunderstorms may produce heavy rainfall in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and early morning, then veering to
the west after midnight. Cloudy. Showers likely and a chance of
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Some thunderstorms may produce
heavy rainfall in the evening. Waves 1 to 3 feet.
.THURSDAY...West winds 15 to 20 knots becoming northwest 10 to
15 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.

$$

LHZ443-180345-
Port Sanilac to Port Huron MI-
344 PM EDT Tue Jun 17 2025

.TONIGHT...South winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then veering to
the northwest early in the morning. Partly cloudy with a chance
of showers and a slight chance of thunderstorms. Waves 2 feet or
less.
.WEDNESDAY...Light and variable winds becoming northeast 5 to
10 knots in the late morning and early afternoon, then veering to
the east early in the afternoon. Mostly cloudy. A slight chance
of showers and thunderstorms in the morning, then showers likely
and a chance of thunderstorms in the afternoon. Some
thunderstorms may produce heavy rainfall in the afternoon.
Locally heavy rainfall possible in the afternoon. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots in the late evening and overnight.
Mostly cloudy. Showers likely and a chance of thunderstorms in
the evening, then showers likely and a chance of thunderstorms
after midnight. Some thunderstorms may produce heavy rainfall in
the evening. Locally heavy rainfall possible in the evening.
Waves 1 to 3 feet.
.THURSDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots early in the afternoon. Partly cloudy with a chance of
showers. Waves 1 to 3 feet.

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

$$

LEZ444-180345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
344 PM EDT Tue Jun 17 2025

.TONIGHT...Southwest winds 5 to 10 knots. Partly cloudy with a
slight chance of showers and thunderstorms. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. Mostly cloudy with a slight
chance of showers and thunderstorms in the morning, then partly
cloudy with a chance of thunderstorms and a slight chance of
showers in the afternoon. Some thunderstorms may produce heavy
rainfall in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots. Mostly cloudy.
Showers likely and a chance of thunderstorms in the evening, then
showers likely after midnight. Some thunderstorms may produce
heavy rainfall in the evening. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots veering to the northwest
early in the afternoon. Partly cloudy. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 67 degrees.

$$

KGK

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