FZUS63 KDTX 221343

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

943 AM EDT Sun Mar 22 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 cold front will move into the southern Great Lakes

this morning. High pressure, 30.30 inches, will move into the

northern Great Lakes this afternoon into tonight. The high will

become centered over Lower Mi on Monday at 30.50 inches. The high

will drift east of the region Tuesday while a weakening cold

front moves into the northern Great Lakes from the north.



LCZ460-222145-

Lake St Clair-

943 AM EDT Sun Mar 22 2026



.REST OF TODAY...Southeast winds 5 to 10 knots becoming northeast 10

to 15 knots early in the afternoon...then becoming north 15 to 20

knots late in the afternoon. Mostly cloudy. Light rain likely late

in the morning. A chance of light rain in the afternoon. Waves 2

feet or less.

.TONIGHT...North winds 20 to 25 knots diminishing to 10 to 15 knots.

Mostly cloudy. Light rain likely early in the evening. Waves 2 to 4

feet subsiding to 1 to 3 feet after midnight.

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

in the evening. Partly sunny becoming mostly cloudy. Waves 2 feet or

less.

.WEDNESDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 2 feet

or less.

.THURSDAY...Northwest winds 20 to 25 knots. Mostly cloudy with a

chance of light rain. Waves 1 to 3 feet.



$$



AM



Experimental modernized open lake forecast is available online at

weather.gov/dtx/glftablesc



Graphical marine forecasts are available at weather.gov/greatlakes