Great Lakes Forecast
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FZUS63 KDTX 091449
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
949 AM EST Sat Dec 9 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 over southern Lake
Michigan this morning will track into northern Indiana today. A
ridge of high pressure, averaging 29.90 inches, will then move
into the central Great Lakes tonight before another low pressure
tracks through northern Lake Huron on Sunday. A stronger low looks
to be tracking near the southern Michigan on Monday.

LCZ460-092115-
Lake St Clair-
949 AM EST Sat Dec 9 2017

.REST OF TODAY...Southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. Light snow. Waves 2 feet or less.
.TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20
knots late in the evening...then increasing to 20 to 25 knots after
midnight diminishing to 15 to 20 knots early in the morning. Mostly
cloudy with a chance of light snow early in the evening...then
partly cloudy with a chance of light snow showers in the late
evening and early morning. Mostly clear early in the morning. Waves
1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in
the late morning and afternoon. Mostly cloudy. Waves 1 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly cloudy in the evening becoming partly
cloudy. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon...then becoming southwest 5 to 10 knots in
the evening. 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 light
snow showers likely. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance
of snow showers. 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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