885
FZUS63 KDTX 120149
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
949 PM EDT Fri Sep 11 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...High pressure, 30.00 inches, will slowly move eastward
towards the East Coast through Saturday. Low pressure, 29.30
inches, lifting over northern Ontario then drags a cold front
across the central Great Lakes late Saturday into Sunday.

LCZ460-121000-
Lake St Clair-
949 PM EDT Fri Sep 11 2026

.REST OF TONIGHT...Southeast winds 10 to 15 knots diminishing to 5
to 10 knots early in the morning. Mostly clear. Waves 2 feet or
less.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon...then diminishing to 5 to 10 knots late in
the afternoon. Partly sunny. Waves 2 feet or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots veering to the west
after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...Northwest winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...North winds 15 to 20 knots. Partly cloudy. Waves 1
to 3 feet.
.MONDAY...North winds 10 to 15 knots becoming northeast 5 to 10
knots in the afternoon...then becoming southeast 10 to 15 knots in
the evening. Sunny becoming mostly sunny in the afternoon becoming
partly cloudy. Waves 2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Mostly cloudy with
showers likely and a chance of thunderstorms. 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