Great Lakes Forecast
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FZUS63 KDTX 240136
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
936 PM EDT Wed Aug 23 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...High pressure, 30.10 inches, will continue to push
east from the Central Plains into Great Lakes/Ohio Valley by
Thursday afternoon. A secondary cold front will also push through on
Thursday as northwesterly flow veers more northerly Thursday morning
into Thursday evening, bringing concerns for waterspout activity
throughout the day. Otherwise, high pressure will remained situated
over the Great Lakes and will strengthen slightly to 30.20 inches
Friday and Saturday, before moving east out of the area on Sunday.

LCZ460-240815-
Lake St Clair-
936 PM EDT Wed Aug 23 2017

.REST OF TONIGHT...North winds 10 to 15 knots. Partly cloudy. A
chance of waterspouts. Waves 2 feet or less.
.THURSDAY...North winds 10 to 15 knots becoming northwest 5 to 10
knots early in the afternoon...then becoming north 10 to 15 knots
late in the afternoon. Partly sunny. A chance of waterspouts. Waves
2 feet or less.
.THURSDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. Mostly clear. A chance of waterspouts early in
the evening. Waves 2 feet or less.
.FRIDAY...North winds 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots until early morning
becoming light and variable. Clear. Waves 2 feet or less.
.SATURDAY...Light and variable winds becoming northeast 5 to 10
knots in the afternoon and evening. Clear. Waves 2 feet or less.
.SUNDAY...East winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.MONDAY...Southeast winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

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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