Great Lakes Forecast
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307
FZUS63 KDTX 142040
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
340 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-
340 PM EST Thu Dec 14 2017

.TONIGHT...West winds 5 to 10 knots becoming southwest 10 to 15
knots after midnight. Partly cloudy until early morning becoming
mostly cloudy. 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...then mostly
cloudy with 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.

$$

IRL

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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