Great Lakes Forecast
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FZUS63 KDTX 182035
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
335 PM EST Fri Jan 18 2019

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, deepening to 29.20 inches, will track
south of the region across the Tennessee Valley and northeast up
the eastern seaboard this weekend. High pressure, averaging 30.70
inches, will remain anchored north of Lake Superior during this
same time. The high pressure will then slide through the Central
Great Lakes on Monday averaging 30.60 inches.

LCZ460-190915-
Lake St Clair-
335 PM EST Fri Jan 18 2019

.TONIGHT...North winds 5 to 10 knots becoming northeast 10 to 15
knots after midnight. Partly cloudy early in the evening. A chance
of light snow late in the evening. Light snow after midnight. Waves
2 feet or less.
.SATURDAY...Northeast winds 10 to 15 knots increasing to 15 to 20
knots late in the afternoon. Light snow until late afternoon.. then
a chance of light snow late in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Northeast winds 15 to 20 knots becoming north 20
to 25 knots with gusts to 30 knots after midnight. Mostly cloudy.
Waves 1 to 3 feet. A Small Craft Advisory may be needed.
.SUNDAY...North winds 20 to 25 knots diminishing to 15 to 20 knots
in the late morning and afternoon. Partly sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 15 to 20 knots diminishing to 5 to 10
knots. Partly cloudy. Waves 2 feet or less.
.MONDAY...Light and variable winds becoming south 5 to 10 knots in
the evening. Mostly clear becoming partly cloudy. Waves 2 feet or
less.
.TUESDAY...Southwest winds 10 to 15 knots. Rain and snow. Waves 2
feet or less.
.WEDNESDAY...Northwest winds 10 to 15 knots. Mostly cloudy with rain
and snow. Waves 2 feet or less.

$$

MR

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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