Great Lakes Forecast
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331
FZUS63 KDTX 200147
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
947 PM EDT Tue Sep 19 2017

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...High pressure, 30.20 inches, will reside over Quebec
overnight. A weakening frontal boundary, average pressure 29.90
inches, will lift slowly into southern lower Michigan tonight. High
pressure will expand across the eastern Great Lakes from Quebec on
Wednesday, where it will hold steady through the weekend.

LCZ460-200815-
Lake St Clair-
947 PM EDT Tue Sep 19 2017

.REST OF TONIGHT...East winds 5 to 10 knots. Cloudy. A chance of
light showers in the late evening and early morning. Waves 2 feet or
less.
.WEDNESDAY...Light and variable winds becoming southeast 5 to 10
knots in the afternoon. Mostly cloudy. Waves 2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Mostly sunny. Waves 2
feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots until early morning
becoming light and variable. Mostly clear. Waves 2 feet or less.
.FRIDAY...Light and variable winds. Mostly sunny until late
afternoon becoming clear. Waves 2 feet or less.
.SATURDAY...Light and variable winds. Clear. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Clear. Waves nearly calm.

$$

SF

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

Graphical marine forecasts are available at weather.gov/greatlakes



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