Great Lakes Forecast
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745
FZUS63 KDTX 210821
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
419 AM EDT SAT JUL 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...Broad low pressure, averaging 29.60 inches, will
continue to slowly drift southeastward across lower Michigan
today and into the northern Ohio River Valley by Sunday. In the
wake of the departing low, pressure will begin to increase to
around 29.90 inches as higher pressure builds across the Great
Lakes.

LCZ460-212000-
Lake St Clair-
419 AM EDT SAT JUL 21 2018

.TODAY...Southeast winds 10 to 15 knots. Mostly cloudy. A chance of
showers and thunderstorms in the morning...then light showers likely
and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet.
.TONIGHT...East winds 10 to 15 knots. Mostly cloudy. Light showers
likely and a chance of thunderstorms early in the evening...then a
chance of light showers in the late evening and overnight. Waves 2
feet or less.
.SUNDAY...Northeast winds 10 to 15 knots. Mostly cloudy. A chance of
light showers early in the morning. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots becoming north 5 to
10 knots after midnight. Partly cloudy until early morning becoming
mostly cloudy. A chance of light showers early in the morning. Waves
2 feet or less.
.MONDAY...North winds 5 to 10 knots in the morning becoming light
and variable...then becoming northeast 5 to 10 knots in the evening.
Partly sunny with a chance of light showers until late
afternoon...then partly cloudy in the evening. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Partly cloudy. A chance
of light showers. Waves nearly calm.

$$

CB

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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