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023
FZUS63 KDTX 220215
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1015 PM EDT Sun Jun 21 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 compact low pressure system, 29.60 inches, move east
across the Ohio Valley this morning, bringing active weather
across the southern Great Lakes. High pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.

LCZ460-221015-
Lake St Clair-
1015 PM EDT Sun Jun 21 2026

.REST OF TONIGHT...Southeast winds 5 to 10 knots becoming east 10 to
15 knots after midnight. A chance of light showers this
evening...then showers after midnight. Waves 2 feet or less.
.MONDAY...Northeast winds 15 to 20 knots diminishing to 10 to 15
knots late in the afternoon. Partly sunny. Showers likely early in
the morning...then a chance of light showers late in the morning.
Waves 1 to 3 feet.
.MONDAY NIGHT...North winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.TUESDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. Mostly sunny. Waves 2 feet or
less.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots becoming light and
variable. Mostly clear. Waves 2 feet or less.
.WEDNESDAY...Light and variable winds becoming south 5 to 10 knots
in the afternoon and evening. Mostly sunny...then partly cloudy with
a chance of showers in the evening. Waves 2 feet or less.
.THURSDAY...West winds 5 to 10 knots. Partly cloudy. Showers likely
and a chance of thunderstorms. Waves 2 feet or less.
.FRIDAY...North winds 5 to 10 knots. Mostly clear. 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