478
FZUS53 KDTX 181440
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
940 AM EST Tue Nov 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.

LHZ422-182300-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Light and variable winds. Partly cloudy late in
the morning becoming mostly cloudy. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots early in the morning
becoming light and variable. Mostly sunny until late afternoon
becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming south 5 to
10 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 2 feet or less.

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

$$

LHZ421-182300-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Northwest winds 5 to 10 knots late in the
morning becoming light and variable. Partly cloudy. Waves 2 feet
or less.
.TONIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.WEDNESDAY...North winds 5 to 10 knots until late afternoon
becoming light and variable. Mostly sunny until late afternoon
becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming south 5 to
10 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 2 feet or less.

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

$$

LHZ441-182300-
Port Austin to Harbor Beach MI-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Northwest winds 5 to 10 knots late in the
morning becoming light and variable. Partly cloudy. Waves 2 feet
or less.
.TONIGHT...Light and variable winds becoming north 5 to 10 knots
in the late evening and overnight. Partly cloudy. Waves 2 feet or
less.
.WEDNESDAY...North winds 5 to 10 knots early in the morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming south 5 to
10 knots in the late evening and overnight. Mostly cloudy until
early morning becoming partly cloudy. Waves 2 feet or less.

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

$$

LHZ442-182300-
Harbor Beach to Port Sanilac MI-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Northwest winds 5 to 10 knots late in the
morning becoming light and variable. Partly cloudy. Waves 2 feet
or less.
.TONIGHT...Light and variable winds becoming north 5 to 10 knots
in the late evening and overnight. Partly cloudy. Waves 2 feet or
less.
.WEDNESDAY...North winds 5 to 10 knots early in the morning
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming southwest
5 to 10 knots after midnight. Mostly cloudy until early morning
becoming partly cloudy. Waves 2 feet or less.

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

$$

LHZ443-182300-
Port Sanilac to Port Huron MI-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Northwest winds 5 to 10 knots late in the
morning becoming light and variable. Partly cloudy late in the
morning becoming mostly cloudy. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Mostly cloudy early in
the evening becoming partly cloudy. A slight chance of light rain
until early morning. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Partly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds becoming south 5 to
10 knots after midnight. Mostly cloudy early in the evening
becoming partly cloudy. Waves 2 feet or less.

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

$$

LEZ444-182300-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
940 AM EST Tue Nov 18 2025

.REST OF TODAY...Light and variable winds becoming east 5 to
10 knots in the afternoon. Cloudy. Light rain and light snow
likely late in the morning, then light rain likely and a slight
chance of light snow in the afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Mostly cloudy. A
chance of light rain until early morning. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Partly cloudy until
late afternoon becoming mostly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots early in the evening
becoming light and variable. Partly cloudy early in the evening
becoming mostly cloudy. Waves 2 feet or less.

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

The water temperature at Belle Isle is 43 degrees.

$$

TF

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