Great Lakes Forecast
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951
FZUS63 KDTX 291952
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
352 PM EDT Mon Sep 29 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, 30.20 inches, is now over the eastern
Great Lakes while a second high builds across Ontario. A cold
front drops into the northern Great Lakes tonight shifting winds
to the northeast. Dry weather is expected through the forecast
period.

LCZ460-300400-
Lake St Clair-
352 PM EDT Mon Sep 29 2025

.TONIGHT...Light and variable winds becoming northeast 5 to 10 knots
early in the morning. Clear. Waves nearly calm.
.TUESDAY...Northeast winds 5 to 10 knots increasing to 10 to 15
knots late in the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Clear. Waves 1 to 3
feet.
.WEDNESDAY...Northeast winds 15 to 20 knots becoming east 10 to 15
knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3
feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.THURSDAY...East winds 10 to 15 knots becoming southeast 5 to 10
knots in the afternoon and evening. Partly cloudy. Waves 2 feet or
less.
.FRIDAY...South winds 5 to 10 knots. Clear. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots. Clear. Waves 2 feet or less.

$$

MV

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

Graphical marine forecasts are available at weather.gov/greatlakes