Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 170747
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EDT THU APR 17 2014

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...WEAKENING LOW PRESSURE SYSTEM OF 30.00 INCHES OVER THE
WESTERN GREAT LAKES TONIGHT WILL DISSPATE TONIGHT AS IT TRACKS
NORTHEAST. THE ASSOCIATED COLD FRONT WILL TRACK THROUGH THE REGION
FRIDAY MORNING...BRINGING A FEW SHOWERS. HIGH PRESSURE OF 30.40
INCHES WILL THEN BUILD IN FRIDAY NIGHT INTO SATURDAY.

LCZ460-172030-
LAKE ST CLAIR-
347 AM EDT THU APR 17 2014

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. A SLIGHT CHANCE OF LIGHT
SHOWERS BY MID AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS...VEERING TO THE SOUTHWEST
LATE. CLOUDY WITH LIGHT SHOWERS LIKELY. WAVES 2 FEET OR LESS.
.FRIDAY...LIGHT AND VARIABLE WINDS. CLOUDY WITH LIGHT SHOWERS LIKELY
THROUGH EARLY AFTERNOON...THEN PARTLY SUNNY WITH A CHANCE OF LIGHT
SHOWERS BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS THROUGH MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF LIGHT SHOWERS.
PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

SF

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






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