750
FZUS63 KDTX 210859
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
359 AM EST Fri Nov 21 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...A weak cold front, 29.90 inches, tracks across the
region early this morning, supporting moderate west-northwest
winds through the day. High pressure, 30.10 inches, then slides
across the central Great Lakes to close out the week.

LCZ460-211700-
Lake St Clair-
359 AM EST Fri Nov 21 2025

.TODAY...West winds 5 to 10 knots. Mostly cloudy. Patchy fog late in
the morning. Waves 2 feet or less.
.TONIGHT...Northwest winds 5 to 10 knots becoming north 10 to 15
knots after midnight. Mostly cloudy this evening becoming partly
cloudy. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots until late afternoon
becoming light and variable. Mostly sunny. Waves 2 feet or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves 2
feet or less.
.SUNDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots in
the evening. Mostly clear. Waves 2 feet or less.
.MONDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.TUESDAY...Southwest winds 15 to 20 knots. Light rain. Waves 1 to 3
feet.

$$

MV

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

Graphical marine forecasts are available at weather.gov/greatlakes