FZUS63 KDTX 122036

GLFSC 



Lake St Clair Forecast

National Weather Service Detroit/Pontiac MI

336 PM EST Fri Dec 12 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 the rest of the day. A low pressure system, 29.70

inches, will then track from central Canada into northern Ontario

tonight and Saturday pulling an arctic cold front through the

region tonight. Isolated gusts to gale force will be possible

with this system.



LCZ460-130445-

Lake St Clair-

336 PM EST Fri Dec 12 2025



.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to 25

knots. Mostly cloudy. A chance of light snow after midnight. Waves 1

to 3 feet.

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

in the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.

.SATURDAY NIGHT...West winds 15 to 20 knots. Mostly cloudy early in

the evening then clearing. Waves 1 to 3 feet.

.SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20

knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet.

.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 10 to

15 knots in the late evening and overnight. Partly cloudy. Waves 1

to 3 feet.

.MONDAY...Southwest winds 20 to 25 knots. Mostly cloudy becoming

partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the

evening.

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

feet. A Small Craft Advisory may be needed.

.WEDNESDAY...South winds to 30 knots. Mostly cloudy. Waves 3 to 5

feet. Waves occasionally around 7 feet.



$$



DRK



Experimental modernized open lake forecast is available online at

weather.gov/dtx/glftablesc



Graphical marine forecasts are available at weather.gov/greatlakes