Great Lakes Forecast
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FZUS63 KDTX 200745
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
345 AM EDT Thu Jul 20 2017

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...Weak low pressure, 29.80 inches, will track along a
front stalled between western Lake Erie and southern Lake Huron
today and then move to the east tonight. Thunderstorms will be
possible with this system before weak high pressure develops Friday.
The next low pressure system is then projected to approach the
region Friday night and bring another round of stormy weather for
much of the weekend. Winds will be light with little impact on waves
outside of thunderstorms.

LCZ460-202015-
Lake St Clair-
345 AM EDT Thu Jul 20 2017

.TODAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots
in the late morning and afternoon. Partly sunny. A chance of showers
and thunderstorms in the late morning and afternoon. Waves 2 feet or
less.
.TONIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or
less.
.FRIDAY...North winds 5 to 10 knots early in the morning becoming
light and variable. Mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...Light and variable winds becoming southeast 5 to 10
knots in the late evening and overnight. Partly cloudy early in the
evening becoming mostly cloudy. A chance of light showers. Waves 2
feet or less.
.SATURDAY...South winds 5 to 10 knots. Mostly cloudy. Showers likely
and a chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...Northwest winds 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms. Waves 2 feet or less.
.MONDAY...North winds 10 to 15 knots. Partly cloudy. Waves 2 feet or
less.

$$

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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