617
FZUS53 KDTX 300749
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
349 AM EDT Sat Aug 30 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.

LHZ422-301600-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
349 AM EDT Sat Aug 30 2025

.TODAY...West winds 5 to 10 knots in the morning becoming light
and variable, then becoming southeast 5 to 10 knots late in the
afternoon. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots veering to the south
after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots veering to the south
after midnight. Clear. Waves 2 feet or less.

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

$$

LHZ421-301600-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
349 AM EDT Sat Aug 30 2025

.TODAY...Northwest winds 5 to 10 knots in the morning becoming
light and variable, then becoming southeast 5 to 10 knots late in
the afternoon. Sunny in the morning becoming partly cloudy. Waves
2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots veering to the south
after midnight. Partly cloudy early in the evening then clearing.
Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots veering to the south
after midnight. Clear. Waves 2 feet or less.

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

$$

LHZ441-301600-
Port Austin to Harbor Beach MI-
349 AM EDT Sat Aug 30 2025

.TODAY...Northwest winds 5 to 10 knots veering to the north late
in the afternoon. Sunny in the morning becoming partly cloudy.
Waves 2 feet or less.
.TONIGHT...Light and variable winds. Mostly clear. Waves 2 feet
or less.
.SUNDAY...Light and variable winds. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Light and variable winds. Clear. Waves nearly
calm.

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

$$

LHZ442-301600-
Harbor Beach to Port Sanilac MI-
349 AM EDT Sat Aug 30 2025

.TODAY...Northwest winds 5 to 10 knots veering to the north in
the afternoon. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots early in the evening
becoming light and variable. Mostly clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots veering to the southeast
after midnight. Clear. Waves 2 feet or less.

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

$$

LHZ443-301600-
Port Sanilac to Port Huron MI-
349 AM EDT Sat Aug 30 2025

.TODAY...Northwest winds 5 to 10 knots in the morning becoming
light and variable, then becoming northeast 5 to 10 knots late in
the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots early in the evening
becoming light and variable. Mostly clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming northeast 5 to
10 knots early in the afternoon. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots veering to the
southeast after midnight. Clear. Waves 2 feet or less.

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

$$

LEZ444-301600-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
349 AM EDT Sat Aug 30 2025

.TODAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or
less.

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

The water temperature at Belle Isle is 68 degrees.

$$

KGK

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