Great Lakes Forecast
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FZUS63 KDTX 200808
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
408 AM EDT Sun Aug 20 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, 30.00 inches, over Michigan will
gradually slide to the east today maintaining a mainly southwesterly
flow which will increase Tuesday ahead of a strong cold front. This
front will sweep through the Great Lake Tuesday afternoon followed
by an increasingly strong northwest flow that will last through the
end of the week.

LCZ460-202015-
Lake St Clair-
408 AM EDT Sun Aug 20 2017

.TODAY...Light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. Sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...South winds 5 to 10 knots becoming southwest 10 to 15
knots late in the afternoon. Partly sunny. A chance of showers and
thunderstorms late in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. Mostly cloudy with a chance
of showers and thunderstorms. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon...then becoming northwest 10 to 15 knots in
the evening. Mostly cloudy becoming partly cloudy. Showers and
thunderstorms likely. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.

$$

BT

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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