Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 161439 RRA
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
938 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.

LCZ460-162100-
LAKE ST CLAIR-
938 AM EST THU FEB 16 2017

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS IN THE AFTERNOON. PARTLY SUNNY. A CHANCE OF FLURRIES LATE
IN THE MORNING. WAVES 2 FEET OR LESS.
.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. WAVES 2 FEET OR
LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS IN THE EVENING. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES



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