Great Lakes Forecast
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FZUS63 KDTX 240836
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
336 AM EST Fri Nov 24 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...Winds this afternoon will increase out of the southwest
from a tightening surface pressure gradient as a low pressure, 29.10
inches, moves just north of the Great Lakes across southern Ontario.
An associated cold front will move through the Great Lakes Saturday
morning keeping winds elevated out of the northwest across the open
waters of Lake Huron into the afternoon. High pressure, 30.00
inches, will move into the region on Sunday.

LCZ460-242115-
Lake St Clair-
336 AM EST Fri Nov 24 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EST TODAY THROUGH
LATE TONIGHT...

.TODAY...South winds 15 to 20 knots...with gusts to 25 knots.
Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 20 to 25 knots diminishing to 15 to 20
knots after midnight. Gusts to 30 knots. Mostly clear early in
the evening...then mostly cloudy with a chance of light showers in
the late evening and overnight. Waves 2 to 4 feet subsiding to 1
to 3 feet after midnight.
.SATURDAY...Northwest winds 10 to 15 knots. Mostly cloudy. A chance
of light showers in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the morning. Mostly cloudy early in the evening
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 10 to 15 knots. Partly sunny becoming mostly
sunny in the late morning and afternoon becoming partly cloudy.
Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy. A chance
of showers. Waves 1 to 3 feet.

$$

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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