FZUS63 KDTX 190111

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

911 PM EDT Wed Mar 18 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.



LCZ460-190915-

Lake St Clair-

911 PM EDT Wed Mar 18 2026



.REST OF TONIGHT...South winds 10 to 15 knots becoming southwest 5

to 10 knots early in the morning. Mostly cloudy. Waves 2 feet or

less.

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

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

.THURSDAY NIGHT...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 5 to 10 knots becoming southwest 10 to 15

knots in the late morning and afternoon. Mostly cloudy with a chance

of light rain. Waves 2 feet or less.

.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy early

in the evening becoming partly cloudy. A chance of light rain early

in the evening. Waves 2 feet or less.

.SATURDAY...Northwest winds 5 to 10 knots backing to the southwest

in the afternoon...then becoming south 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...Northeast 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