FZUS63 KDTX 211347

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

947 AM 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...High pressure, 30.10 inches, briefly fills in over the

Great Lakes this morning. A clipper tracks across the region

tonight, 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.



LCZ460-212200-

Lake St Clair-

947 AM EDT Sat Mar 21 2026



.REST OF TODAY...Light and variable winds becoming southeast 5 to 10

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

.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15

knots after midnight...then becoming southwest 5 to 10 knots early

in the morning. Partly cloudy becoming mostly cloudy by midnight

becoming partly cloudy. Waves 2 feet or less.

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

knots early in the afternoon. Mostly cloudy. Light showers likely.

Waves 2 feet or less.

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

knots after midnight. Mostly cloudy. Light showers likely early in

the evening. Waves 1 to 3 feet.

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

the evening. Partly cloudy then clearing. Waves 2 feet or less.

.TUESDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2

feet or less.

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

feet or less.



$$



AM



Experimental modernized open lake forecast is available online at

weather.gov/dtx/glftablesc



Graphical marine forecasts are available at weather.gov/greatlakes