Great Lakes Forecast
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FZUS63 KDTX 121503
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
1002 AM EST FRI JAN 12 2018

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...An arctic front will move through the Great Lakes
through the rest of the morning as a low pressure system around
29.60 inces tracks through the upper Michigan. NNW gales are
expected in post frontal conditions through today and tonight. An
arctic high pressure around 30.70 inches will drift into the western
Great Lakes by Saturday morning and continue to drift east through
Sunday.

LCZ460-122100-
Lake St Clair-
1002 AM EST FRI JAN 12 2018

.REST OF TODAY...North winds 20 to 25 knots. Gusts to 30 knots in
the afternoon. Snow with freezing rain likely late in the
morning...then light snow in the afternoon. Areas of blowing snow.
.TONIGHT...North winds 20 to 25 knots. Gusts to 30 knots until early
morning. Mostly cloudy. Light snow likely early in the evening. A
chance of light snow showers after midnight.
.SATURDAY...North winds 15 to 20 knots becoming northwest 10 to 15
knots late in the afternoon. Partly sunny. A chance of light snow
showers early in the morning.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots in the evening
becoming light and variable. Mostly clear.
.SUNDAY...Light and variable winds becoming south 5 to 10 knots in
the afternoon and evening. Mostly sunny until late afternoon
becoming partly cloudy.
.MONDAY...South winds 10 to 15 knots. Snow showers.
.TUESDAY...West winds 10 to 15 knots. Mostly cloudy with a chance of
snow showers.

Waves omitted due to ice coverage.

$$

CB

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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