Great Lakes Forecast
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FZUS63 KDTX 180748
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
348 AM EDT Fri Aug 18 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...Low pressure, 29.50 inches, will continue to move
towards Upper Michigan this evening. This system will drive an
associated warm front, 29.70 inches, into Lake Huron by evening. The
low will then move east of Lake Superior by Friday morning, allowing
high pressure to expand across the Ohio Valley behind the departing
cold front.

LCZ460-182145-
Lake St Clair-
348 AM EDT Fri Aug 18 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH
THIS EVENING...

.TODAY...West winds 15 to 20 knots. Gusts to 25 knots by
afternoon. Mostly cloudy. Waves 2 feet or less.
.TONIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots.
Partly cloudy. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots. Partly sunny with a chance of
showers and thunderstorms. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots early in the evening
becoming light and variable. Mostly clear. A chance of showers and
thunderstorms early in the evening. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming southwest 5 to 10 knots
in the afternoon and evening. Sunny becoming mostly sunny in the
afternoon and evening becoming clear. Waves 2 feet or less.
.MONDAY...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...West winds 10 to 15 knots. Partly cloudy. Showers and
thunderstorms likely. Waves 2 feet or less.

$$

BT

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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