917
FZUS63 KDTX 202043
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
343 PM EST Thu Nov 20 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 tonight, supporting moderate preceding southwest winds and
renewed colder west-northwest winds following. High pressure,
30.10 inches, then slides across the central Great Lakes to close
out the week.

LCZ460-210445-
Lake St Clair-
343 PM EST Thu Nov 20 2025

.TONIGHT...Southwest winds 5 to 10 knots. Cloudy. Waves 2 feet or
less.
.FRIDAY...West winds 5 to 10 knots veering to the northwest late in
the afternoon. Partly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and overnight. Partly cloudy becoming
mostly cloudy in the late evening and early morning becoming partly
cloudy. Waves 2 feet or less.
.SATURDAY...North winds 10 to 15 knots becoming northwest 5 to 10
knots in the late morning and afternoon. Mostly sunny. Waves 2 feet
or less.
.SATURDAY NIGHT...Light and variable winds becoming southwest 10 to
15 knots. Partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance
of. Waves 2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy with light
rain. Waves 1 to 3 feet.

$$

KDK

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

Graphical marine forecasts are available at weather.gov/greatlakes