678
FZUS53 KDTX 190107
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
907 PM EDT Fri Jul 18 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.

LHZ422-190915-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. Mostly clear. Waves 2 feet or
less.
.SATURDAY...Southwest winds 10 to 15 knots. Partly cloudy early
in the morning, then mostly cloudy with a slight chance of
showers in the late morning and early afternoon. Mostly cloudy
with showers likely and a chance of thunderstorms early in the
afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 10 to 15 knots veering to the north
in the late evening and overnight. Partly cloudy. Showers likely
and a chance of thunderstorms early in the evening, then a chance
of showers and thunderstorms in the late evening and early
morning. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.

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

$$

LHZ421-190915-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots. Partly cloudy early
in the morning, then mostly cloudy with a slight chance of
showers in the late morning and early afternoon. Mostly cloudy
with showers likely and a chance of thunderstorms early in the
afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots veering to the
north in the late evening and overnight. Partly cloudy. Showers
likely and a chance of thunderstorms early in the evening, then a
chance of showers and thunderstorms in the late evening and early
morning. Waves 1 to 3 feet.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

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

$$

LHZ441-190915-
Port Austin to Harbor Beach MI-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly cloudy. A slight chance of showers in
the late morning and early afternoon. Showers likely and a chance
of thunderstorms early in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and overnight. Mostly cloudy.
Showers likely and a chance of thunderstorms early in the
evening, then a chance of showers and thunderstorms in the late
evening and early morning. Waves 1 to 3 feet.
.SUNDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots
early in the afternoon. Partly cloudy early in the morning then
clearing. Waves 1 to 3 feet.

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

$$

LHZ442-190915-
Harbor Beach to Port Sanilac MI-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots veering to the
south early in the morning. Mostly clear. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly cloudy. Showers likely and a chance of thunderstorms early
in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 5 to 10 knots becoming north 10 to
15 knots after midnight. Mostly cloudy with showers likely and a
chance of thunderstorms until early morning, then mostly cloudy
after midnight. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.

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

$$

LHZ443-190915-
Port Sanilac to Port Huron MI-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots veering to the
south early in the morning. Clear. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. Mostly sunny until
late afternoon, then mostly cloudy with showers likely and a
chance of thunderstorms early in the afternoon. Waves 2 feet or
less.
.SATURDAY NIGHT...West winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. Mostly cloudy with showers likely
and a chance of thunderstorms until early morning, then mostly
cloudy after midnight. Waves 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Partly cloudy until late
afternoon then clearing. Waves 1 to 3 feet.

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

$$

LEZ444-190915-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
907 PM EDT Fri Jul 18 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots veering to the
south early in the morning. Mostly clear. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny until late
afternoon becoming partly cloudy. Light showers likely and a
chance of thunderstorms early in the afternoon. Waves 2 feet or
less.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. Partly cloudy.
Light showers likely and a chance of thunderstorms until early
morning. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots. Partly cloudy. 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