Great Lakes Forecast
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FZUS63 KDTX 230124
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
924 PM EDT Fri Aug 22 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, 30.10 inches, will break down into
Saturday. A cold front then brings showers and a few
thunderstorms to the region with time. A cooler airmass 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.

LCZ460-230930-
Lake St Clair-
924 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.SATURDAY...Southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon. Partly sunny. A chance of. A chance of
waterspouts late in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 10 to 15 knots. Mostly cloudy becoming
partly cloudy in the late evening and early morning becoming clear.
A chance of showers and thunderstorms early in the evening. Waves 2
feet or less.
.SUNDAY...West winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...West winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and early morning...then becoming west
10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less.
.MONDAY...Northwest winds 10 to 15 knots. Sunny in the morning
becoming mostly clear. Waves 2 feet or less.
.TUESDAY...North 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.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes