Great Lakes Forecast
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991
FZUS63 KDTX 231334
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
934 AM EDT Sat Aug 23 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...A cold front brings showers and a few thunderstorms to
the region today and tonight. A cooler airmass then settles over
the Great Lakes to close out the weekend, with some lake effect
showers and the potential for a few waterspouts, mainly
Monday and Tuesday.

LCZ460-232145-
Lake St Clair-
934 AM EDT Sat Aug 23 2025

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Mostly cloudy. A chance of showers and
thunderstorms late in the afternoon. A chance of waterspouts late in
the afternoon. Waves 2 feet or less.
.TONIGHT...West winds 10 to 15 knots. A chance of waterspouts early
in the evening. Partly cloudy with a chance of showers and
thunderstorms early in the evening...then mostly clear in the late
evening and overnight. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Sunny until late afternoon becoming partly
sunny. Waves 2 feet or less.
.SUNDAY NIGHT...West winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.MONDAY...Northwest winds 10 to 15 knots. Sunny with a chance of
light showers in the morning...then partly cloudy with a chance of
light showers in the afternoon and evening. A chance of waterspouts
in the afternoon and evening. Waves 2 feet or less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Clear. Waves 2 feet or
less.

$$

JA

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

Graphical marine forecasts are available at weather.gov/greatlakes