FZUS63 KDTX 231339
GLFSC 

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
939 AM 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 afternoon and evening, favored
across Lake Huron, High pressure, 30.10 inches, willl move over
the Great Lakes late tomorrow into Tuesday.

LCZ460-232145-
Lake St Clair-
939 AM EDT Sun Aug 23 2026

.REST OF TODAY...Northwest winds 15 to 20 knots. Mostly sunny. A
chance of showers and thunderstorms late in the afternoon. Waves 1
to 3 feet.
.TONIGHT...Northwest winds 15 to 20 knots. Partly cloudy in the
evening then clearing. A chance of showers and thunderstorms early
in the evening. Waves 1 to 3 feet.
.MONDAY...West winds 15 to 20 knots. Mostly 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. Mostly clear. Waves 2
feet or less.
.TUESDAY...Northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming south 5 to 10 knots in the
evening. Sunny in the morning becoming mostly clear. Waves 2 feet or
less.
.WEDNESDAY...South winds 10 to 15 knots. Mostly clear. A chance of
showers and thunderstorms. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.

$$

SS

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

Graphical marine forecasts are available at weather.gov/greatlakes