Great Lakes Forecast
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FZUS63 KDTX 210309
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1009 PM EST Tue Feb 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...Low presure, 29.80 inches, will continue to lift through
the Great Lakes into Ontario tonight. A cold front will push
through the region late tonight into Wednesday morning as the low
pressure departs. High pressure, 30.80 inches, will then build
into the area from the west from Wednesday into Thursday.

LCZ460-210915-
Lake St Clair-
1009 PM EST Tue Feb 20 2018

.REST OF TONIGHT...Southwest winds 10 to 15 knots veering to the
west early in the morning. Showers and a chance of thunderstorms.
.WEDNESDAY...North winds 10 to 15 knots. A chance of thunderstorms
early in the morning. Light showers until late afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Partly cloudy in the evening becoming
mostly cloudy.
.THURSDAY...Northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late morning and afternoon. Partly sunny.
.THURSDAY NIGHT...East winds 5 to 10 knots. Partly cloudy in the
evening becoming mostly cloudy.
.FRIDAY...Southeast winds 5 to 10 knots veering to the southwest in
the afternoon and evening. Mostly cloudy. Light snow showers likely
early in the morning. Light showers likely until late
afternoon...then a chance of light showers early in the evening.
.SATURDAY...East winds 5 to 10 knots. Mostly cloudy with rain and
snow showers likely.
.SUNDAY...West winds 15 to 20 knots with gusts to 30 knots. Partly
cloudy. Rain and snow showers likely. A Small Craft Advisory may be
needed.

Waves omitted due to ice coverage.

$$

DRK

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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