Great Lakes Forecast
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FZUS63 KDTX 152046
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
341 PM EST WED NOV 15 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 low pressure system will deepen to 29.50 inches as it
tracks from central Lake Superior to southern Ontario tonight before
reaching southern Quebec by Thursday. High pressure, 30.30 inches,
trailing this system will slide through the central Great Lakes
Thursday afternoon and overnight into Friday morning. This high will
depart on Friday, with the next low pressure system set to arrive
on Saturday.

LCZ460-160900-
Lake St Clair-
341 PM EST WED NOV 15 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...West winds 15 to 20 knots. Light showers in the
evening...then a chance of light showers after midnight. Waves 1 to
3 feet.
.THURSDAY...West winds 20 to 25 knots becoming northwest 15 to 20
knots in the afternoon. Cloudy. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming light and
variable. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Light and variable winds becoming south 10 to 15 knots.
Mostly cloudy. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 10 to 15 knots. Light showers in the
evening...then showers after midnight. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming northwest 15 to
20 knots with gusts to 30 knots in the afternoon and evening.
Showers. A chance of light showers late in the evening. Waves 1 to 3
feet. A Small Craft Advisory may be needed.
.SUNDAY...Northwest winds 15 to 20 knots with gusts to 30 knots.
Partly cloudy. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.

$$

RBP

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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