Great Lakes Forecast
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229
FZUS63 KDTX 161948
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
348 PM EDT Sun Aug 16 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...An area of low pressure, 29.80 inches, is tracking
east across Ontario this afternoon and will pull a cold front
across the central Great Lakes region late this evening. This
cold front brings in a 6- 8 hour bout of 20-25 knot northwest
winds tonight into early Monday morning and chances for
thunderstorms this afternoon and evening. High pressure, 30.20
inches, builds in behind the front for Monday and most of
Tuesday.

LCZ460-170400-
Lake St Clair-
348 PM EDT Sun Aug 16 2026

.TONIGHT...West winds 5 to 10 knots becoming northwest 10 to 15
knots in the late evening and overnight. Partly cloudy. A chance of
showers and thunderstorms in the evening. Waves 2 feet or less.
.MONDAY...Northwest winds 10 to 15 knots becoming north 5 to 10
knots in the afternoon. Mostly sunny. Waves 2 feet or less.
.MONDAY NIGHT...North winds 5 to 10 knots veering to the east by
midnight...then becoming light and variable after midnight. Mostly
clear. Waves 2 feet or less.
.TUESDAY...Southwest winds 5 to 10 knots increasing to 10 to 15
knots early in the afternoon. Mostly sunny. Waves 2 feet or less.
.TUESDAY NIGHT...West winds 10 to 15 knots. Partly cloudy. A chance
of light showers after midnight. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots veering to the northeast in
the evening. Partly sunny with a chance of showers in the
morning...then partly cloudy with a chance of light showers in the
afternoon and evening. Waves 2 feet or less.
.THURSDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.FRIDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.

$$

DRK

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

Graphical marine forecasts are available at weather.gov/greatlakes