Great Lakes Forecast
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FZUS63 KDTX 301934
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
334 PM EDT Sun Aug 30 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 warm front develops over the Great Lakes today into
Monday, bringing an unsettled period with showers and storms. Low
pressure forming over the Dakotas slowly tracks across northern
Ontario through the midweek. Its cold front is likely to stall
across the area on Wednesday.

LCZ460-310345-
Lake St Clair-
334 PM EDT Sun Aug 30 2026

.TONIGHT...South winds 5 to 10 knots. Mostly cloudy. A chance of
showers and thunderstorms in the evening...then a chance of light
showers after midnight. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots becoming south 10 to 15
knots late in the afternoon. Mostly cloudy. A chance of light
showers in the morning. Waves 2 feet or less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. A
chance of light showers after midnight. Waves 2 feet or less.
.TUESDAY...Southwest winds 5 to 10 knots. Mostly sunny with a chance
of showers and thunderstorms. Waves 2 feet or less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. A
chance of light showers early in the evening. A chance of light
showers after midnight. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 5 to 10 knots. Mostly sunny...then
partly cloudy with a chance of showers and thunderstorms in the
evening. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance
of showers and thunderstorms. Waves 2 feet or less.
.FRIDAY...Northeast winds 10 to 15 knots. Partly cloudy. A chance of
showers. 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