FZUS63 KDTX 120254

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

954 PM EST Thu Dec 11 2025



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, will reside over the

Great Lakes through Friday. This is followed by low pressure,

29.70 inches, moving in from central Canada into northern Ontario

Friday night and Saturday. Sporadic gale force wind gusts are

possible with this system.



LCZ460-121100-

Lake St Clair-

954 PM EST Thu Dec 11 2025



.REST OF TONIGHT...West winds 10 to 15 knots becoming northwest 5 to

10 knots after midnight. Partly cloudy. Waves 2 feet or less.

.FRIDAY...Light and variable winds becoming southwest 5 to 10 knots

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

.FRIDAY NIGHT...Southwest winds 5 to 10 knots increasing to 20 to 25

knots. Mostly cloudy with scattered light snow showers. Waves 2 feet

or less building to 2 to 4 feet after midnight.

.SATURDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots

early in the afternoon. Mostly cloudy. Waves 2 to 4 feet subsiding

to 1 to 3 feet in the late morning and afternoon.

.SATURDAY NIGHT...West winds 15 to 20 knots increasing to 20 to 25

knots after midnight. Mostly cloudy early in the evening becoming

partly cloudy. Waves 1 to 3 feet.

.SUNDAY...West winds 20 to 25 knots becoming northwest 15 to 20

knots in the afternoon and evening. Partly sunny becoming mostly

clear. Waves 1 to 3 feet.

.MONDAY...Southwest winds to 30 knots. Partly cloudy. Waves 2 to 4

feet. A Small Craft Advisory may be needed.

.TUESDAY...Southwest winds to 30 knots. Mostly cloudy. Waves 2 to 4

feet.



$$



AA



Experimental modernized open lake forecast is available online at

weather.gov/dtx/glftablesc



Graphical marine forecasts are available at weather.gov/greatlakes