Great Lakes Forecast
Issued by NWS

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414
FZUS63 KDTX 160842
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
342 AM EST THU FEB 16 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...A RIDGE OF SURFACE HIGH PRESSURE...30.00 INCHES...WILL
PUSH EAST OVER THE GREAT LAKES TODAY. THE GREAT LAKES WILL REMAIN
UNDER THE INFLUENCE OF BROAD HIGH PRESSURE THROUGHOUT THE
WEEKEND...ALBEIT SLIGHTLY WEAKENING TO 29.80 INCHES ON SATURDAY.
SURFACE PRESSURE WILL AGAIN INCREASE NEAR 30.00 INCHES SUNDAY INTO
MONDAY.

LCZ460-162115-
LAKE ST CLAIR-
342 AM EST THU FEB 16 2017

.TODAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS IN THE AFTERNOON. CLOUDY EARLY IN THE MORNING...BECOMING
PARTLY SUNNY. A CHANCE OF FLURRIES IN THE MORNING.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY...BECOMING MOSTLY CLOUDY IN
THE LATE EVENING AND EARLY MORNING...BECOMING PARTLY CLOUDY.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS IN THE EVENING. MOSTLY CLEAR.
.SUNDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

SF

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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