FZUS63 KDTX 190718

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

318 AM EDT Thu Mar 19 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 weakening cold front and diffuse pressure pattern

dominate the Great Lakes Thursday, followed by a compact clipper

that tracks through on Friday. Weak high pressure this weekend

before a strong cold front sinks across the region with gusty

northeast wind on Sunday.



LCZ460-191530-

Lake St Clair-

318 AM EDT Thu Mar 19 2026



.TODAY...West winds 5 to 10 knots early in the morning becoming

light and variable. Partly sunny. Waves 2 feet or less.

.TONIGHT...Light and variable winds becoming southeast 5 to 10 knots

in the late evening and overnight. Partly cloudy becoming mostly

cloudy. Waves 2 feet or less.

.FRIDAY...South winds 10 to 15 knots veering to the west early in

the afternoon. Mostly cloudy. A chance of light rain until late

afternoon. Waves 2 feet or less.

.FRIDAY NIGHT...North winds 5 to 10 knots. Partly cloudy early in

the evening becoming mostly cloudy. Waves 2 feet or less.

.SATURDAY...Northwest winds 5 to 10 knots backing to the south in

the afternoon...then increasing to 10 to 15 knots in the evening.

Mostly cloudy in the morning becoming partly cloudy. Waves 2 feet or

less.

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

light rain. Waves 1 to 3 feet.

.MONDAY...North winds 15 to 20 knots. Partly cloudy. Waves 1 to 3

feet.



$$



MR



Experimental modernized open lake forecast is available online at

weather.gov/dtx/glftablesc



Graphical marine forecasts are available at weather.gov/greatlakes