Great Lakes Forecast
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023
FZUS63 KDTX 190304
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1004 PM EST Tue Nov 18 2025

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.

.SYNOPSIS...High pressure, 30.20 inches, moves into the Great
Lakes Wednesday ensuring dry conditions and light winds. A weak
cold front tracks across the region Thursday night, supporting
organized southwest flow and increasing rain chances.

LCZ460-191115-
Lake St Clair-
1004 PM EST Tue Nov 18 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Mostly cloudy this
evening becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Mostly sunny until late afternoon
becoming mostly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy until
early morning becoming partly cloudy. Waves nearly calm.
.THURSDAY...Light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. Mostly cloudy. Waves 2 feet or less.
.THURSDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Mostly cloudy with a
chance of light rain. Waves 2 feet or less.
.FRIDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon and evening. Partly sunny becoming mostly
sunny in the afternoon becoming partly cloudy. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.SUNDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

$$

MR

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes