FZUS63 KDTX 231938
GLFSC 

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
338 PM EDT Sun Aug 23 2026

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...Post-frontal northwest flow brings breezy conditions
through Monday. Chances for some showers and an isolated
thunderstorm will return this evening and overnight, favored
across Lake Huron, High pressure, 30.10 inches, will move over
the Great Lakes late tomorrow into Tuesday.

LCZ460-240345-
Lake St Clair-
338 PM EDT Sun Aug 23 2026

.TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. Partly cloudy. A chance of
showers and thunderstorms early in the evening. Waves 1 to 3 feet.
.MONDAY...West winds 15 to 20 knots becoming northwest 10 to 15
knots late in the afternoon. Partly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves 2
feet or less.
.TUESDAY...Northwest winds 5 to 10 knots early in the morning
becoming light and variable. Mostly sunny. Waves 2 feet or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.WEDNESDAY...South winds 5 to 10 knots increasing to 15 to 20 knots.
Partly sunny...then partly cloudy with showers likely and a chance
of thunderstorms in the evening. Waves 2 feet or less.
.THURSDAY...Northwest winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

AM

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

Graphical marine forecasts are available at weather.gov/greatlakes