923
FZUS63 KDTX 211942
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
342 PM EDT Mon Jul 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, 30.20 inches, holds across the area
through Tuesday. A weak frontal system then tracks into the
northern Great Lakes mid- week and brings the potential for more
unsettled conditions.

LCZ460-220345-
Lake St Clair-
342 PM EDT Mon Jul 21 2025

.TONIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Clear. Waves 2 feet or less.
.TUESDAY...East winds 5 to 10 knots veering to the southeast late in
the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Clear. Waves 2 feet
or less.
.WEDNESDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Clear. Waves 2 feet
or less.
.THURSDAY...Southwest winds 10 to 15 knots. Mostly sunny...then
partly cloudy with a chance of showers and thunderstorms in the
evening. Waves 2 feet or less.
.FRIDAY...North winds 10 to 15 knots. Partly cloudy. Showers likely
and a chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes