744
FZUS63 KDTX 211335
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
935 AM EDT Wed Oct 21 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...A weak and dry cold front will track through the
central Great Lakes tonight. Another large high pressure, 30.40
inches, then builds over the area Thursday and Friday.

LCZ460-212145-
Lake St Clair-
935 AM EDT Wed Oct 21 2026

.REST OF TODAY...East winds 5 to 10 knots late in the morning
becoming light and variable. Sunny. Waves 2 feet or less.
.TONIGHT...Light and variable winds. Mostly clear. Waves nearly
calm.
.THURSDAY...North winds 5 to 10 knots. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Mostly clear.
Waves 2 feet or less.
.FRIDAY...East winds 5 to 10 knots becoming southeast 10 to 15 knots
in the evening. Mostly sunny in the morning becoming clear. Waves 2
feet or less.
.SATURDAY...Southeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.SUNDAY...Southwest winds 5 to 10 knots. Partly cloudy. 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