Great Lakes Forecast
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FZUS63 KDTX 161402
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1001 AM EDT WED AUG 16 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 move from Lake
Superior this morning to southern Ontario and upstate New York by
evening. Low pressure over the central US will deepen to 29.60
inches as it lifts into southern Minnesota tonight. This low will
then move to Upper Michigan by Thursday night, deepening to 29.50
inches. The low will force a warm front across Lower Michigan on
Thursday, then into Lake Huron Thursday night. The low will slowly
exit to the northeast of Lake Huron on Friday, with high pressure
expected to expand across the southern Great Lakes on Saturday.

LCZ460-162000-
Lake St Clair-
1001 AM EDT WED AUG 16 2017

.REST OF TODAY...Northeast winds 5 to 10 knots late in the morning
becoming light and variable...then becoming east 5 to 10 knots late
in the afternoon. Partly sunny. Waves 2 feet or less.
.TONIGHT...East winds 5 to 10 knots. Partly cloudy until early
morning becoming mostly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 10 to 15 knots. Mostly cloudy. A chance
of showers and thunderstorms in the morning...then showers and
thunderstorms likely in the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. Showers
and thunderstorms likely until early morning...then a chance of
showers and thunderstorms early in the morning. Waves 2 feet or
less.
.FRIDAY...West winds 10 to 15 knots. Mostly cloudy with a chance of
showers and thunderstorms early in the morning...then partly cloudy.
Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.

$$

MR

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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