Great Lakes Forecast
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FZUS63 KDTX 050859
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
359 AM EST Tue Dec 5 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 over western Lake Superior, 28.00 inches,
will continue to deepen down as low as 28.60 inches as it tracks
into northern Ontario today. The system will generate high end
westerly gales over all marine areas and gusts to storm force over
central sections of Lake Huron today. Gales will then last through
Wednesday as the system stalls near James Bay. Much colder westerly
flow will continue through the week while diminishing in speed
Thursday and Friday.

LCZ460-052100-
Lake St Clair-
359 AM EST Tue Dec 5 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest winds 20 to 25 knots with gusts to 40 knot gales.
Mostly cloudy. Waves 2 to 4 feet.
.TONIGHT...Southwest winds 20 to 25 knots with gusts to 35 knot
gales. Partly cloudy. Waves 2 to 4 feet.
.WEDNESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots late in the afternoon. Partly sunny.
Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Mostly cloudy in the evening becoming partly
cloudy. Waves 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots
in the evening. Partly sunny in the morning becoming mostly cloudy.
Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.
.SATURDAY...North winds 10 to 15 knots. Partly cloudy. A chance of
light snow showers. 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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