Great Lakes Forecast
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FZUS63 KDTX 170738
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
338 AM EDT Sun Sep 17 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...A weak low pressure system averaging 29.90 inches will
lift through the northern Great Lakes into Ontario this morning.
This low will send a weak cold front through the region later today
and tonight which will bring the chance for showers and
thunderstorms across the lakes. High pressure averaging 30.10 inches
will build back in behind the departing front Monday.

LCZ460-172015-
Lake St Clair-
338 AM EDT Sun Sep 17 2017

.TODAY...Light and variable winds becoming south 5 to 10 knots late
in the afternoon. Mostly sunny. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots until early morning becoming
light and variable. Partly cloudy with a chance of showers and
thunderstorms in the evening...then mostly cloudy after midnight.
Waves 2 feet or less.
.MONDAY...Light and variable winds becoming north 5 to 10 knots in
the late morning and afternoon. Mostly cloudy. Waves 2 feet or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy until early morning
becoming mostly cloudy. Waves 2 feet or less.
.TUESDAY...Light and variable winds. Mostly cloudy with a chance of
showers and thunderstorms...then partly cloudy late in the evening.
Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Mostly clear. Waves 2
feet or less.

$$

SC

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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