870
FZUS63 KDTX 090156
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
956 PM EDT Tue Sep 8 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...Low pressure, 29.30 inches, will track across northern
Ontario late through Wednesday, driving a slow moving cold front
across the Great Lakes region. This system will provide showers
and few thunderstorms to the lakes. High pressure will expand
into the region from the west Thursday into Friday.

LCZ460-091000-
Lake St Clair-
956 PM EDT Tue Sep 8 2026

.REST OF TONIGHT...South winds 5 to 10 knots becoming southwest 10
to 15 knots early in the morning. Partly cloudy by midnight becoming
mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Mostly cloudy. Light
showers likely and a chance of thunderstorms in the afternoon. Waves
2 feet or less.
.WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy early in the evening becoming
partly cloudy. Waves 2 feet or less.
.THURSDAY...Northwest winds 5 to 10 knots. Partly sunny. Waves 2
feet or less.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.FRIDAY...Northeast winds 5 to 10 knots veering to the southeast in
the afternoon and evening. Clear. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.SUNDAY...North winds 10 to 15 knots. Partly cloudy. A chance of
showers. 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