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FZUS63 KDTX 030757
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
357 AM EDT Wed Sep 3 2025

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, 29.60 inches, is forecast to develop
over western Lake Superior today. This system will move into
northern Ontario while driving a strong cold front across Lake
Huron tonight triggering showers and a few thunderstorms. Much
cooler air will advance across the Great Lakes in the wake of this
system and persist into the weekend.

LCZ460-031600-
Lake St Clair-
357 AM EDT Wed Sep 3 2025

.TODAY...Southwest winds 5 to 10 knots becoming south 15 to 20
knots. Mostly sunny. Waves 2 feet or less.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15
knots in the late evening and early morning...then increasing to 15
to 20 knots early in the morning. A chance of thunderstorms in the
evening. Rain showers likely late in the evening. Rain showers after
midnight. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming west 5 to 10
knots early in the afternoon. Mostly cloudy early in the morning
then clearing. Showers early in the morning. Waves 2 feet or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming south 15 to
20 knots after midnight. Mostly clear. Waves 2 feet or less.
.FRIDAY...Southwest winds to 30 knots with gusts to 35 knot gales
becoming west 20 to 25 knots in the evening. Partly sunny in the
morning becoming mostly clear. Waves 1 to 3 feet.  A Gale Warning
may be needed.
.SATURDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.SUNDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

KGK

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

Graphical marine forecasts are available at weather.gov/greatlakes