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588
FZUS63 KDTX 240240
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
940 PM EST Sun Nov 23 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...Lighter winds around the rest of this evening and
tonight as a ridge of high pressure, 30.20 inches, has arrived.
Light to moderate southerly flow on Monday. Next low pressure
system arrives on Tuesday, leading to occasional rain. Gales are
then likely to develop in Wednesday-Thursday time frame.

LCZ460-241045-
Lake St Clair-
940 PM EST Sun Nov 23 2025

.REST OF TONIGHT...West winds 5 to 10 knots in the late evening and
early morning becoming light and variable. Mostly clear. Waves 2
feet or less.
.MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. Partly sunny. Waves 2 feet or less.
.MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Cloudy. A chance of light rain after midnight.
Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots. Cloudy with a chance of light
rain. Waves 2 feet or less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots increasing to 15 to
20 knots after midnight. Mostly cloudy with a chance of light rain.
Waves 2 feet or less.
.WEDNESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west at 35 knot gales with gusts to 40 knot gales in the
afternoon and evening. Mostly cloudy. A chance of light rain. A
chance of light snow in the evening. Waves 3 to 5 feet. Waves
occasionally around 7 feet. A Gale Warning may be needed.
.THURSDAY...West at 35 knot gales with gusts to 40 knot gales.
Partly cloudy. A chance of light snow. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.FRIDAY...West at 35 knot gales. Partly cloudy. Waves 2 to 4 feet.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes