773
FZUS63 KDTX 252047
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
347 PM EST Tue Nov 25 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...Weak low pressure tracks through the Great Lakes today
with occasional rain and modest winds. A stronger low pressure
system arriving from the Midwest then rapidly deepens over the
northern Great Lakes Wednesday into Wednesday night, leading to a
long duration of gales through early Friday. Much cooler air
arrives with snow squalls becoming likely Thursday into Friday.
The next system will work through the area on Sunday.

LCZ460-260500-
Lake St Clair-
347 PM EST Tue Nov 25 2025

...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.TONIGHT...Southwest winds 5 to 10 knots increasing to 15 to 20
knots. Mostly cloudy. Patchy dense fog. A chance of light rain early
in the evening. A chance of light rain early in the morning. Waves 2
feet or less.
.WEDNESDAY...Southwest winds 20 to 25 knots increasing to 35 knot
gales with gusts to 40 knot gales. Mostly cloudy. A chance of light
rain until late afternoon. A chance of light snow in the afternoon.
Waves 3 to 5 feet building to 4 to 6 feet late in the afternoon.
Waves occasionally around 8 feet.
.WEDNESDAY NIGHT...West at 40 knot gales. Mostly cloudy. Light snow
likely until early morning...then a chance of light snow after
midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.THURSDAY...West at 35 knot gales diminishing to 30 knots in the
late morning and afternoon. Gusts to 40 knot gales. Mostly cloudy
with a chance of light snow. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.THURSDAY NIGHT...West at 35 knot gales. Mostly cloudy early in the
evening becoming partly cloudy. Waves 3 to 5 feet. Waves
occasionally around 6 feet.
.FRIDAY...West winds to 30 knots diminishing to 15 to 20 knots in
the afternoon and evening. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 3 feet in the afternoon and evening. Waves
occasionally around 7 feet.
.SATURDAY...South winds 15 to 20 knots. Light snow. Waves 2 feet or
less.
.SUNDAY...West winds 15 to 20 knots. Light rain and snow. Waves 1 to
3 feet.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes