401
FZUS63 KDTX 211941
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
341 PM EDT Thu Aug 21 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, drifts over the central
Great Lakes through Friday. A cold front then brings showers and
a few thunderstorms to the region this weekend. A cooler airmass
settles over the Great Lakes late weekend into next week bringing
lake effect showers and waterspout chances.

LCZ460-220345-
Lake St Clair-
341 PM EDT Thu Aug 21 2025

.TONIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...Northeast winds 5 to 10 knots early in the morning
becoming light and variable. Mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...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 early in the afternoon. Partly sunny. A chance of light
showers early in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 10 to 15 knots. Partly cloudy until
early morning then clearing. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon and evening. Sunny in the morning becoming mostly
clear. Waves 2 feet or less.
.MONDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes