Great Lakes Forecast
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FZUS63 KDTX 242037
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
337 PM EST Fri Nov 24 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...Winds this afternoon will increase out of the southwest
from a tightening surface pressure gradient as a low pressure, 29.10
inches, moves just north of the Great Lakes across southern Ontario.
An associated cold front will move through the Great Lakes Saturday
morning keeping winds elevated out of the northwest across the open
waters of Lake Huron into the afternoon. High pressure, 30.00
inches, will move into the region on Sunday.

LCZ460-250900-
Lake St Clair-
337 PM EST Fri Nov 24 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Southwest winds 15 to 20 knots. Partly cloudy this
evening becoming mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Mostly cloudy. Waves 2
feet or less.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy
early in the evening becoming partly cloudy. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots
in the afternoon. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Partly cloudy. Waves 2 feet or less.
.MONDAY...Northwest winds 5 to 10 knots backing to the south in the
afternoon and evening. Mostly sunny becoming partly cloudy. Waves 2
feet or less.
.TUESDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3
feet.
.WEDNESDAY...East winds 10 to 15 knots. Partly cloudy. Waves 2 feet
or less.

$$

IRL

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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