Great Lakes Forecast
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000
FZUS63 KDTX 121218 AAA
GLFSC

LAKE ST CLAIR FORECAST...UPDATED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
714 AM EST SUN FEB 12 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...29.70 INCHES...OVER EASTERN OHIO VALLEY
EARLY THIS MORNING WILL TRACK EAST THROUGH THE MID ATLANTIC STATES
TODAY. A RIDGE OF HIGH PRESSURE...30.20 INCHES...WILL THEN BUILD
INTO THE CENTRAL GREAT LAKES TOMORROW.  A NEW SURFACE TROUGH WILL
DEVELOP OVER THE GREAT LAKES ON TUESDAY...FOLLOWED BY A STRONG COLD
FRONT SWINGING THROUGH TUESDAY NIGHT.

LCZ460-122100-
LAKE ST CLAIR-
714 AM EST SUN FEB 12 2017

...GALE WARNING IN EFFECT FROM 5 PM EST THIS AFTERNOON THROUGH LATE
TONIGHT...

.TODAY...NORTHEAST WINDS 5 TO 10 KNOTS...BACKING TO THE NORTHWEST
LATE IN THE MORNING...THEN BECOMING WEST 10 TO 15 KNOTS EARLY IN THE
AFTERNOON...INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
LATE IN THE AFTERNOON. RAIN UNTIL LATE AFTERNOON. LIGHT SNOW LIKELY
LATE IN THE MORNING...THEN A CHANCE OF LIGHT SNOW IN THE AFTERNOON.
.TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 15 TO 20 KNOTS EARLY IN THE MORNING. MOSTLY
CLOUDY WITH A CHANCE OF LIGHT SNOW EARLY IN THE EVENING...THEN
PARTLY CLOUDY IN THE LATE EVENING AND OVERNIGHT.
.MONDAY...NORTHWEST WINDS 15 TO 20 KNOTS...BECOMING WEST 5 TO
10 KNOTS. PARTLY SUNNY.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY...BECOMING PARTLY
SUNNY IN THE AFTERNOON...BECOMING MOSTLY CLOUDY...BECOMING PARTLY
CLOUDY LATE IN THE EVENING.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SNOW.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

CB

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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