517
FZUS63 KDTX 222040
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
340 PM EST Sat Nov 22 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 tracking through northern Ontario this
evening will drag a cold front through the region tonight.
Northwest wind gusts behind the front on Sunday will reach into
the 25 to 35 knot range over Lake Huron. Winds quickly diminish
Sunday evening/night as a ridge of high pressure, 30.20 inches,
arrives.

LCZ460-230445-
Lake St Clair-
340 PM EST Sat Nov 22 2025

.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to 15
knots in the late evening and overnight. Mostly cloudy until early
morning becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 10 to 20 knots. Partly sunny. Waves 2 feet
or less.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10
knots in the late evening and overnight. Clear. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots. Partly sunny. Waves 2 feet or
less.
.MONDAY NIGHT...South winds 10 to 15 knots. Cloudy. A chance of
light rain after midnight. Waves 2 feet or less.
.TUESDAY...South winds 10 to 15 knots becoming southwest 5 to 10
knots in the evening. Light rain...then a chance of light rain in
the evening. Waves 2 feet or less.
.WEDNESDAY...West at 35 knot gales. Mostly cloudy with a chance of
light rain. Waves 3 to 5 feet. Waves occasionally around 7 feet.  A
Gale Warning may be needed.
.THURSDAY...West at 35 knot gales. Partly cloudy. Waves 2 to 4 feet.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes