Great Lakes Forecast
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415
FZUS63 KDTX 210803 RRA
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
402 AM EDT SUN OCT 21 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...High pressure, 30.40 inches, will build across the
Ohio Valley today into Monday. A gradient between this high and
the exiting low over Quebec will keep Small Craft Advisories
going into this afternoon. A weak low, 29.90 inches, will then
drop through the Great Lakes Monday night pulling a cold front
through the eastern lakes.

LCZ460-212000-
Lake St Clair-
402 AM EDT SUN OCT 21 2018

.TODAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots
in the afternoon. Partly sunny. Waves 2 feet or less.
.TONIGHT...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 increasing to 10 to 15
knots early in the morning. Mostly clear. Waves 2 feet or less.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly sunny in the
morning becoming partly cloudy. Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.THURSDAY...West winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.

$$

DG

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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