Great Lakes Forecast
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541
FZUS63 KDTX 190242
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
942 PM EST Sat Jan 18 2020

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...Low pressure, 29.40 inches, will continue to track to
upstate New York by Sunday morning. This system will drive an
associated cold front across Lake Huron Sunday morning. High
pressure, 30.8 inches, then moves from the northern Plains Monday
to the Ohio Valley by Tuesday, weakening to 30.50 inches.

LCZ460-190915-
Lake St Clair-
942 PM EST Sat Jan 18 2020

...GALE WARNING IN EFFECT UNTIL 7 AM EST SUNDAY...

.REST OF TONIGHT...West winds 20 to 25 knots with gusts to 35 knot
gales. Cloudy with numerous light snow showers. Waves 2 to 4 feet.
.SUNDAY...West winds 20 to 25 knots with gusts to 35 knot gales
becoming northwest 15 to 20 knots in the afternoon. Mostly cloudy.
Scattered light snow showers in the morning...then numerous light
snow showers in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves 1
to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon. Mostly sunny. Waves 2 feet or less.
.MONDAY NIGHT...Northwest winds 5 to 10 knots increasing to 10 to 15
knots in the late evening and overnight. Mostly clear. Waves 2 feet
or less.
.TUESDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon and evening. Mostly sunny becoming partly sunny in the
afternoon becoming mostly clear. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.THURSDAY...South winds 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.

$$

SP

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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