733
FZUS63 KDTX 221342
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
942 AM 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, over the Eastern Great
Lakes maintains light southerly winds today. A cold front then
brings showers and a few thunderstorms to the region on Saturday.
A cooler airmass settles over the Great Lakes late weekend into
next week bringing lake effect showers and waterspout chances.

LCZ460-222145-
Lake St Clair-
942 AM EDT Fri Aug 22 2025

.REST OF TODAY...Light and variable winds. Mostly sunny. Waves 2
feet or less.
.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 early in the afternoon. Partly sunny. A chance of showers and
thunderstorms early in the afternoon. A chance of waterspouts early
in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy until
early morning then clearing. A chance of waterspouts early in the
evening. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots increasing to 15 to 20 knots.
Sunny in the morning becoming mostly clear. Waves 2 feet or less.
.MONDAY...Northwest winds 15 to 20 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes