Great Lakes Forecast
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FZUS63 KDTX 210133
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
933 PM 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, 29.00 inches, over central
Quebec will continue to pull a cold front across the central
Great Lakes, clearing Lakes St. Clair and Erie early this
evening. 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.

LCZ460-210815-
Lake St Clair-
933 PM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT SUNDAY...

.REST OF TONIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots
this evening. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3
feet early in the morning.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to 15
knots in the afternoon. Partly 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 diminishing to 5 to 10
knots late in the afternoon. Partly sunny. Waves 2 feet or less.
.MONDAY NIGHT...West winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.THURSDAY...Southwest winds 5 to 10 knots. Mostly clear. 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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