Great Lakes Forecast
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915
FZUS63 KDTX 090252
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
952 PM EST Fri Dec 8 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...Low pressure of 29.70 inches will track across Lake
Michigan tonight and through southern Lower Michigan tomorrow. A
ridge of high pressure, averaging 29.90 inches, will then move
into the central Great Lakes Saturday night before another low
pressure tracks just north of Lake Huron on Sunday.

LCZ460-090915-
Lake St Clair-
952 PM EST Fri Dec 8 2017

.REST OF TONIGHT...Southwest winds 15 to 20 knots. Mostly clear this
evening becoming mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming west 5 to 10
knots late in the afternoon. A chance of light snow showers early in
the morning...then light snow showers in the late morning and
afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots late in the evening...then
increasing to 20 to 25 knots after midnight diminishing to 15 to 20
knots early in the morning. Partly cloudy with a chance of light
snow showers until early morning...then mostly clear early in the
morning. Waves 1 to 3 feet. A Small Craft Advisory may be needed.
.SUNDAY...West winds 10 to 15 knots becoming southwest 15 to 20
knots in the afternoon. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Mostly cloudy with a chance of light
snow showers in the evening...then partly cloudy after midnight.
Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots. Mostly cloudy. A chance of
light snow showers in the morning...then light snow showers likely
in the afternoon and evening. Waves 2 feet or less.
.TUESDAY...Northwest winds 15 to 20 knots. Mostly cloudy with snow
showers likely. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

MR

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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