Great Lakes Forecast
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658
FZUS63 KDTX 150300
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
957 PM EST THU DEC 14 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...A ridge of high pressure, 30.00 inches, will
continue to settle south of the area as the next clipper system
develops to the northwest. This clipper low of 29.80 inches will
organize north of Lake Huron tonight into Friday and then will
deepen as it tracks towards upstate New York by Friday night. In its
wake, another ridge of high pressure will build east into the region.

LCZ460-150900-
Lake St Clair-
957 PM EST THU DEC 14 2017

.REST OF TONIGHT...West winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight. Partly cloudy in the late evening and early
morning becoming mostly cloudy. A chance of flurries in the late
evening and early morning. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots in the late morning and afternoon. Cloudy with light snow
showers likely. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Partly cloudy in the evening becoming mostly
cloudy. Light snow showers likely early in the evening. A chance of
light snow showers after midnight. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon. Mostly cloudy. A chance of light snow
showers until late afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Light and variable winds becoming southeast 5 to
10 knots early in the morning. Mostly cloudy early in the evening
becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...South winds 5 to 10 knots. Partly sunny...then cloudy with
a chance of light showers in the evening. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots. Mostly cloudy with a chance
of rain and snow showers. Waves 2 feet or less.
.TUESDAY...West winds 15 to 20 knots. Partly cloudy. Waves 2 feet or
less.

$$

CB

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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