578
FZUS63 KDTX 110712
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
312 AM EDT Tue Aug 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...A quasi-stationary front holds over the southern Great
Lakes through mid-week, bringing waves of showers and
thunderstorms across the waters. High pressure, 30.00 inches,
will dominate the region to the north of the front. Light winds
will be variable through the week, but maintain an overall
northerly trend over Lake Huron and southerly south of Port
Huron.

LCZ460-111515-
Lake St Clair-
312 AM EDT Tue Aug 11 2026

.TODAY...Northwest winds 5 to 10 knots early in the morning becoming
light and variable. Partly sunny. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots this evening becoming light and
variable. Partly cloudy with a chance of showers and thunderstorms
early in the evening...then partly cloudy in the late evening and
overnight. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming south 5 to 10 knots
early in the afternoon. Mostly sunny. A chance of showers and
thunderstorms early in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots early in the
evening becoming light and variable. Partly cloudy. A chance of
showers and thunderstorms early in the evening...then a chance of
light showers by midnight. Waves 2 feet or less.
.THURSDAY...North winds 5 to 10 knots. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.SATURDAY...Southeast winds 5 to 10 knots. Partly cloudy. A chance
of showers and 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