909
FZUS63 KDTX 201445
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
945 AM 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.

LCZ460-202245-
Lake St Clair-
945 AM EST Thu Nov 20 2025

.REST OF TODAY...Southeast winds 5 to 10 knots. Mostly cloudy.
Patchy drizzle late in the morning. Waves 2 feet or less.
.TONIGHT...Southwest winds 5 to 10 knots. Cloudy. Waves 2 feet or
less.
.FRIDAY...West winds 5 to 10 knots. Mostly cloudy. 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. Mostly cloudy until
early morning becoming partly cloudy. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots backing to the southwest
in the evening. Mostly clear. Waves 2 feet or less.
.SUNDAY...West winds 10 to 15 knots. Partly cloudy. Waves 2 feet or
less.
.MONDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes