749
FZUS63 KDTX 122035
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
335 PM EST Wed Nov 12 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...Moderate to strong west-northwest winds persist
through the night as colder air filters in. A few sporadic gusts
to gales possible over northern Lake Huron. High pressure, 30.10
inches, then expands over the region Thursday into Friday.

LCZ460-130445-
Lake St Clair-
335 PM EST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots
in the late evening and overnight. Mostly clear. Waves 2 feet or
less.
.THURSDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less.
.THURSDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Clear until early morning becoming partly
cloudy. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots backing to the southeast
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.SATURDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon...then 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.
.SUNDAY...West winds to 30 knots. Partly cloudy. A chance of light
rain. Waves 2 to 4 feet. A Small Craft Advisory may be needed.
.MONDAY...West winds 20 to 25 knots. Mostly clear. 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