Great Lakes Forecast
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FZUS63 KDTX 160238
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
938 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 Georgian Bay 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.

LCZ460-160915-
Lake St Clair-
938 PM EST Wed Nov 15 2017

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

.REST OF TONIGHT...West winds 15 to 20 knots. Gusts to 25 knots.
Cloudy. Scattered light showers. Waves 1 to 3 feet.
.THURSDAY...West winds 20 to 25 knots becoming northwest 15 to 20
knots in the afternoon. Cloudy. Scattered light showers early in the
morning. 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.

$$

SC

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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