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FZUS63 KDTX 200733
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
333 AM EDT Tue Oct 20 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...High pressure, 30.50 inches, drifts from the northern
Great Lakes to southern Quebec over the next 24 hours. A dry cold
front washes out over the area Wednesday night, then another area
of high pressure then stalls overhead through the end of the
week.

LCZ460-201545-
Lake St Clair-
333 AM EDT Tue Oct 20 2026

.TODAY...Northeast winds 5 to 10 knots in the morning becoming light
and variable. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming east 5 to 10 knots in
the late evening and overnight. Mostly clear. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Sunny. Waves 2 feet or less.
.WEDNESDAY NIGHT...Light and variable winds. Clear. Waves nearly
calm.
.THURSDAY...North winds 5 to 10 knots becoming northeast 15 to 20
knots. Clear. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots. Clear. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes