Great Lakes Forecast
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415
FZUS63 KDTX 060849
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
349 AM EST Wed Dec 6 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 large and deep low pressure system will move slowly
across northern Ontario today while weakening from 28.70 inches. The
system will continue to produce westerly gales before subsiding to
30 knots or less by late afternoon. A front will then move through
the region overnight through Thursday with just light to moderate
wind through Friday. A stronger low pressure system is then due to
move through the central Great Lakes during the weekend.

LCZ460-062100-
Lake St Clair-
349 AM EST Wed Dec 6 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...Southwest winds 20 to 25 knots with gusts to 30 knots.
Partly sunny. Waves 2 to 4 feet.
.TONIGHT...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the late evening and overnight. Mostly cloudy. A chance of light
snow showers after midnight. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.
.THURSDAY NIGHT...West winds 10 to 15 knots. Mostly cloudy early in
the evening becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest winds 15 to 20 knots. Partly sunny becoming
mostly cloudy early in the evening becoming partly cloudy. Waves 1
to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Mostly cloudy with a
chance of light snow showers. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

IRL

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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