Great Lakes Forecast
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653
FZUS63 KDTX 220740
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
340 AM EDT Fri Jun 22 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, 30.00 inches, will continue to slide
east towards Quebec today. In its wake, broad and weak low
pressure, 29.60 inches, will slowly move northeast over lower
Michigan this weekend. High pressure, building to 30.10 inches,
will then build south across the Great Lakes for early next week.

LCZ460-222015-
Lake St Clair-
340 AM EDT Fri Jun 22 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds 15 to 20 knots increasing to 20 to 25 knots late
in the afternoon. Mostly cloudy. Scattered showers late in the
morning. Numerous showers and a chance of thunderstorms in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon.
.TONIGHT...East winds 20 to 25 knots diminishing to 10 to 15 knots.
Cloudy with numerous showers and a chance of thunderstorms. Waves 2
to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.SATURDAY...East winds 10 to 15 knots becoming light and variable.
Mostly cloudy. Numerous light showers and a chance of thunderstorms
early in the morning. A chance of light showers in the late morning
and afternoon. A chance of thunderstorms in the afternoon. Waves 2
feet or less.
.SATURDAY NIGHT...North winds 5 to 10 knots until early morning
becoming light and variable. Mostly cloudy. A chance of
thunderstorms early in the evening. A chance of light showers...
then a chance of thunderstorms after midnight. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots increasing to 10 to 15 knots in
the evening. Mostly cloudy with a chance of showers and
thunderstorms until late afternoon...then partly cloudy in the
evening. Waves 2 feet or less.
.MONDAY...Northeast winds 10 to 15 knots. Clear. Waves 2 feet or
less.
.TUESDAY...Southeast 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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