Great Lakes Forecast
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899
FZUS63 KDTX 221358 CCA
GLFSC

Lake St Clair Forecast...Corrected
National Weather Service Detroit/Pontiac MI
952 AM EDT Sat Jul 22 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...A broad area of low pressure, averaging 29.70
inches, will slowly track across Lower Michigan today and Sunday.
The system will exit to the east Sunday night, pulling a cold front
through the central Great Lakes late Sunday and Sunday night. High
pressure, 30.20 inches, will build into the area Monday and
Tuesday.

LCZ460-222015-
Lake St Clair-
952 AM EDT Sat Jul 22 2017

.REST OF TODAY...Southeast winds 5 to 10 knots. Mostly cloudy.
Numerous showers and a chance of thunderstorms late in the
morning...then scattered showers and a chance of thunderstorms in
the afternoon. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
nearly calm.
.SUNDAY...East winds 5 to 10 knots early in the morning becoming
light and variable...then becoming west 5 to 10 knots late in the
afternoon. Partly sunny. A chance of showers and thunderstorms in
the late morning and afternoon. Waves nearly calm.
.SUNDAY NIGHT...West winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms until early morning. Waves nearly calm.
.MONDAY...North winds 10 to 15 knots. Partly cloudy then clearing.
Waves nearly calm.
.TUESDAY...Southeast winds 5 to 10 knots. Clear. Waves nearly calm.
.WEDNESDAY...Southwest winds 5 to 10 knots. Partly cloudy. A chance
of showers. Waves nearly calm.

$$

SF

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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