Great Lakes Forecast
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439
FZUS63 KDTX 050200
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1000 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 large area of high pressure anchored over Ontario
will usher cooler, drier northeast flow to start this weekend.
More tranquil conditions by Sunday into Monday as the high drifts
overhead.

LCZ460-051000-
Lake St Clair-
1000 PM EDT Fri Sep 4 2026

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Mostly cloudy. A
chance of showers. 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
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 1 to 3 feet.
.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.

$$

BT

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

Graphical marine forecasts are available at weather.gov/greatlakes