135
FZUS63 KDTX 131444
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
944 AM EST Thu Nov 13 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...High pressure, 30.10 inches, expands over the region
Thursday into Friday offering lighter winds to end the week. Low
pressure, 29.30 inches, tracking over northern Ontario then
swings a cold front across the region Saturday bringing colder
air back south and supporting the potential for northwest gales
Sunday.

LCZ460-132300-
Lake St Clair-
944 AM EST Thu Nov 13 2025

.REST OF TODAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or
less.
.TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots
early in the morning. Mostly clear. Waves 2 feet or less.
.FRIDAY...West winds 5 to 10 knots backing to the south early in the
afternoon. Partly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. Partly cloudy. Waves 2 feet or less.
.SATURDAY...Southwest winds 15 to 20 knots becoming west 20 to 25
knots in the evening. Mostly cloudy. A chance of light rain in the
afternoon and evening. Waves 1 to 3 feet building to 2 to 4 feet in
the evening.
.SUNDAY...West winds 20 to 25 knots with gusts to 30 knots. Mostly
clear. Waves 2 to 4 feet. A Small Craft Advisory may be needed.
.MONDAY...Northwest winds 20 to 25 knots. Mostly clear. Waves 2 feet
or less.

$$

TF

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

Graphical marine forecasts are available at weather.gov/greatlakes