132
FZUS63 KDTX 221950
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
350 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, maintains light southerly
winds today, veering southwesterly into Saturday. A cold front
then brings showers and a few thunderstorms to the region with
time on Saturday. A cooler airmass settles over the Great Lakes
to close out the weekend, with some lake effect showers and
potential for waterspouts Monday and Tuesday.

LCZ460-230400-
Lake St Clair-
350 PM EDT Fri Aug 22 2025

.TONIGHT...South winds 5 to 10 knots veering to the southwest early
in the morning. 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.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes