Great Lakes Forecast
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FZUS63 KDTX 111451
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
951 AM EST Mon Dec 11 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 averaging 30.10 inches will shift quickly
east into Quebec today as a clipper low pressure deepens to 29.60
inches as it drops from the upper midwest early this morning to the
northern Ohio Valley by this evening. This low will deepen to 29.20
inches as it lifts through the eastern Great Lakes on Tuesday. High
pressure will then build into the region Tuesday night and Wednesday
as the next clipper low bypasses the region to the south.

LCZ460-112115-
Lake St Clair-
951 AM EST Mon Dec 11 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY EVENING...

.REST OF TODAY...Southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. Cloudy. A chance of light snow late in
the morning...then light snow likely in the afternoon. Waves 2 feet
or less.
.TONIGHT...South winds 10 to 15 knots becoming west 5 to 10 knots
after midnight...then becoming northwest 20 to 25 knots early in the
morning. Light snow. Waves 2 feet or less.
.TUESDAY...Northwest winds 20 to 25 knots. Gusts to 30 knots until
late afternoon. Partly sunny. A chance of flurries late in the
morning. A chance of light snow showers in the afternoon. Waves 2 to
4 feet.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 30
knots diminishing to 15 to 20 knots after midnight. Partly cloudy. A
chance of flurries in the late evening and overnight. Waves 1 to 3
feet.
.WEDNESDAY...West winds 10 to 15 knots. Mostly sunny becoming partly
sunny in the afternoon and evening becoming mostly cloudy. A chance
of flurries in the morning...then a chance of light snow showers in
the afternoon and evening. Waves 2 feet or less.
.THURSDAY...Northwest winds 5 to 10 knots. Mostly cloudy. Waves 2
feet or less.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy with a chance of
snow 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



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