891
FZUS63 KDTX 311343
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
943 AM 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.

LCZ460-312145-
Lake St Clair-
943 AM EDT Sun Aug 31 2025

.REST OF TODAY...Light and variable winds. Sunny. Waves nearly calm.
.TONIGHT...Northeast winds 5 to 10 knots. Clear. Waves 2 feet or
less.
.MONDAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 10 knots until early morning
becoming light and variable. Clear. Waves 2 feet or less.
.TUESDAY...Northeast winds 5 to 10 knots veering to the southeast in
the afternoon and evening. Sunny becoming mostly sunny in the
afternoon becoming clear. Waves 2 feet or less.
.WEDNESDAY...South winds 15 to 20 knots. Mostly clear. Waves 2 feet
or less.
.THURSDAY...West winds 20 to 25 knots. Partly cloudy. Showers
likely. 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