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FZUS63 KDTX 010734
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
334 AM EDT Mon Sep 1 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 anchored over
the eastern Great Lakes 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.

LCZ460-011545-
Lake St Clair-
334 AM EDT Mon Sep 1 2025

.TODAY...Northeast winds 5 to 10 knots veering to the east late in
the afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots this evening becoming light and
variable...then becoming northeast 5 to 10 knots early in the
morning. Clear. Waves 2 feet or less.
.TUESDAY...Light and variable winds 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.
Mostly sunny...then partly cloudy with a chance of light showers in
the evening. Waves 2 feet or less.
.THURSDAY...West winds 15 to 20 knots. Partly cloudy. Showers likely
and a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...West winds 15 to 20 knots. Partly cloudy. Waves 2 feet or
less.

$$

SC

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

Graphical marine forecasts are available at weather.gov/greatlakes