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FZUS53 KDTX 172043
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
343 PM EST Mon Nov 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.

LHZ422-180445-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the morning. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Partly cloudy early in the morning
becoming mostly cloudy. Waves 2 feet or less.
.TUESDAY NIGHT...North winds 5 to 10 knots. Partly cloudy early
in the evening then clearing. 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.

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

$$

LHZ421-180445-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly clear. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Mostly sunny early in the morning
becoming partly cloudy. Waves 2 feet or less.
.TUESDAY NIGHT...Light and variable winds becoming north 5 to
10 knots in the late evening and overnight. 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.

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

$$

LHZ441-180445-
Port Austin to Harbor Beach MI-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves
2 to 4 feet.
.TUESDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Partly cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...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.

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

$$

LHZ442-180445-
Harbor Beach to Port Sanilac MI-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 10 to 15 knots. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Partly cloudy until late afternoon
becoming mostly cloudy. Waves 2 feet or less.
.TUESDAY NIGHT...Light and variable winds becoming north 5 to
10 knots in the late evening and overnight. Partly cloudy. 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.

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

$$

LHZ443-180445-
Port Sanilac to Port Huron MI-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the morning. Mostly clear. Waves 1 to 3 feet.
.TUESDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Partly cloudy early in the morning
becoming mostly cloudy. A slight chance of light snow until late
afternoon. A slight chance of light rain in the late morning and
afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...North winds 5 to 10 knots. Mostly cloudy early
in the evening becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Partly cloudy becoming mostly sunny
in the late morning and early afternoon becoming partly cloudy.
Waves 2 feet or less.

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

$$

LEZ444-180445-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
343 PM EST Mon Nov 17 2025

.TONIGHT...Northwest winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy. A slight chance of
light snow after midnight. Waves 2 feet or less.
.TUESDAY...Light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. Cloudy. Light snow and light
rain likely until late afternoon, then light rain likely early in
the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots increasing to
10 to 15 knots in the late evening and overnight. Mostly cloudy.
Waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Partly cloudy until
late afternoon 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 42 degrees.

$$

MV

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