Great Lakes Forecast
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FZUS63 KDTX 130140
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
940 PM EDT Sat Sep 12 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...Low pressure, 29.30 inches, will continue to push
eastward over northern Ontario as it drags a cold front across
the central Great Lakes through Sunday. Northwesterly flow
increases on Sunday behind the front.

LCZ460-130945-
Lake St Clair-
940 PM EDT Sat Sep 12 2026

.REST OF TONIGHT...Southwest winds 5 to 10 knots veering to the west
early in the morning. Partly cloudy. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots becoming northwest 15 to 20
knots late in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots becoming north 15 to
20 knots after midnight. Mostly cloudy early in the evening then
clearing. Waves 1 to 3 feet.
.MONDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and early afternoon...then becoming light and
variable early in the afternoon. Sunny. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots becoming south 15 to
20 knots. Partly cloudy. Waves 2 feet or less.
.TUESDAY...South winds 20 to 25 knots becoming southwest 10 to 15
knots. Partly cloudy. A chance of light showers. Showers likely in
the evening. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Mostly cloudy. Showers
likely. Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots. Mostly cloudy. Showers
likely. Waves 2 feet or less.

$$

MR

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes