Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 221348
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
945 AM EDT FRI AUG 22 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...HIGH PRESSURE...30.20 INCHES...WILL SLOWLY EXPAND FROM
QUEBEC TODAY INTO THE EASTERN GREAT LAKES SATURDAY AND SUNDAY. THIS
WILL KEEP THE FRONTAL BOUNDARY OVER THE OHIO VALLEY THROUGH THE
WEEKEND.

LCZ460-222000-
LAKE ST CLAIR-
945 AM EDT FRI AUG 22 2014

.REST OF TODAY...LIGHT AND VARIABLE WINDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. MOSTLY CLOUDY. WAVES NEARLY CALM.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH MIDNIGHT...BECOMING
LIGHT AND VARIABLE...THEN BECOMING NORTHEAST 5 TO 10 KNOTS LATE.
PARTLY CLOUDY. WAVES NEARLY CALM.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KNOTS THROUGH EARLY AFTERNOON...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTHEAST 5 TO 10 KNOTS
LATE. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING EAST
10 TO 15 KNOTS LATE. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS
THROUGH MIDNIGHT. PARTLY SUNNY THROUGH EARLY AFTERNOON...BECOMING
MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. 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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