Great Lakes Forecast
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253
FZUS63 KDTX 180244
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
944 PM EST Fri Nov 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...High pressure, 30.30 inches, will continue to move off
to the east tonight while a low pressure system moves into
western portions of the Great Lakes region. This low, 29.40
inches, then pushes eastward across the region and into Saturday.

LCZ460-180915-
Lake St Clair-
944 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Periods of light showers and
scattered thunderstorms. Waves 1 to 3 feet.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. Scattered thunderstorms early in the morning.
Showers. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots
increasing to Gusts to 40 knot gales in the late evening and
overnight. Light showers until early morning. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and early morning...then
subsiding to 1 to 3 feet early in the morning.
.SUNDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots early in
the morning. Mostly cloudy. A chance of flurries. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. Partly cloudy. A chance
of flurries early in the evening. Waves 2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots in the evening. Mostly clear. Waves 1 to 3 feet.
.TUESDAY...West winds 15 to 20 knots. Mostly clear. Waves 1 to 3
feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Partly cloudy. 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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