FZUS63 KDTX 211936

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

336 PM EDT Sat Mar 21 2026



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...A clipper, 29.50 inches, tracks across the region

tonight eventually dragging a strong cold front through on

Sunday. Breezy north to northeast winds will develop behind this

front. Stronger high pressure follows on Monday with another cold

front expected Tuesday over northern Lake Huron.



LCZ460-220345-

Lake St Clair-

336 PM EDT Sat Mar 21 2026



.TONIGHT...South winds 10 to 15 knots veering to the southwest after

midnight...then diminishing to 5 to 10 knots early in the morning.

Partly cloudy this evening becoming mostly cloudy. Waves 2 feet or

less.

.SUNDAY...Northwest winds 5 to 10 knots becoming north 15 to 20

knots. Mostly cloudy. A chance of light rain early in the afternoon.

Light rain likely late in the afternoon. Waves 2 feet or less.

.SUNDAY NIGHT...North winds 15 to 20 knots diminishing to 10 to 15

knots after midnight. Mostly cloudy. A chance of light rain early in

the evening. Waves 1 to 3 feet.

.MONDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots

early in the afternoon. Partly sunny. Waves 2 feet or less.

.MONDAY NIGHT...Northeast winds 5 to 10 knots veering to the

southeast after midnight. Mostly clear. Waves 2 feet or less.

.TUESDAY...South winds 10 to 15 knots becoming southwest 5 to 10

knots in the evening. Partly sunny becoming mostly cloudy. Waves 2

feet or less.

.WEDNESDAY...Southeast winds 10 to 15 knots. Mostly cloudy. Waves 2

feet or less.

.THURSDAY...North winds 15 to 20 knots. Mostly cloudy with a chance

of light rain. 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