000
FZUS63 KDTX 311933
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
333 PM EDT Sun Aug 31 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, 30.30 inches, will remain centered over
the Great Lakes today through Tuesday, providing tranquil boating
conditions. Deepening low pressure is forecast across the
northern Great Lakes Wednesday which will drive a strong cold
front across Lake Huron. This system will cause an increase in
winds and waves and provide rain to the region late Wednesday and
Wednesday night.

LCZ460-010345-
Lake St Clair-
333 PM EDT Sun Aug 31 2025

.TONIGHT...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.MONDAY...Northeast winds 5 to 10 knots until late afternoon
becoming light and variable. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.TUESDAY...Northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to 10 knots
early in the afternoon. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.WEDNESDAY...South winds 5 to 10 knots increasing to 15 to 20 knots.
Sunny...then partly cloudy with a chance of showers in the evening.
Waves 2 feet or less.
.THURSDAY...West winds 15 to 20 knots. Partly cloudy. Showers
likely. Waves 1 to 3 feet.
.FRIDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes