871
FZUS63 KDTX 041903
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
303 PM EDT Fri Sep 4 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 lingering chance for showers and thunderstorms
through tonight as a frontal boundary slowly sags south across
far lower Michigan. A large area of high pressure anchored over
Ontario will then bring a stretch of drier conditions this
weekend.

LCZ460-050315-
Lake St Clair-
303 PM EDT Fri Sep 4 2026

.TONIGHT...Northeast winds 5 to 10 knots. Partly cloudy this evening
becoming mostly cloudy. A chance of showers and thunderstorms early
in the evening. A chance of light showers early in the morning.
Waves 2 feet or less.
.SATURDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and early afternoon...then increasing to
10 to 15 knots late in the afternoon. Partly sunny. A chance of
light showers early in the morning. Waves 2 feet or less.
.SATURDAY NIGHT...North winds 15 to 20 knots becoming northeast 10
to 15 knots after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.
.MONDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.

$$

MR

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

Graphical marine forecasts are available at weather.gov/greatlakes