Great Lakes Forecast
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660
FZUS63 KDTX 201346
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
946 AM EDT Sat Oct 20 2018

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 low pressure system over western Quebec, 29.10
inches, will pull a second cold front across the central Great
Lakes this afternoon. This system has resulted in a lengthy
period of gales which will come to an end later tonight. High
pressure, 30.40 inches, will then build across the Ohio Valley
Sunday into Monday.

LCZ460-202030-
Lake St Clair-
946 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...West winds 10 to 15 knots increasing to 15 to 25
knots late in the afternoon. Mostly sunny late in the morning.
Periods of showers in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots
with gusts to 30 knots after midnight. Periods of showers early in
the evening. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to 15
knots in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots
in the evening. Partly cloudy. Waves 2 feet or less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly clear. Waves 2
feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

SF

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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