Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 170147
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 PM EDT SAT AUG 16 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...A COLD FRONT WILL DROP THROUGH THE AREA TONIGHT AS LOW
PRESSURE OF 29.70 INCHES PROGRESSES EAST TO QUEBEC. HIGH PRESSURE
WILL THEN BUILD THROUGH THE GREAT LAKES INTO MONDAY. THIS HIGH WILL
SUPPRESS ANOTHER LOW PRESSURE SYSTEM SOUTHWARD AS IT TRACKS ACROSS
THE OHIO VALLEY INTO EARLY NEXT WEEK.

LCZ460-170800-
LAKE ST CLAIR-
944 PM EDT SAT AUG 16 2014

.REST OF TONIGHT...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. A CHANCE OF LIGHT SHOWERS. MOSTLY CLOUDY. WAVES 2
FEET OR LESS.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS EARLY...BECOMING LIGHT AND
VARIABLE...THEN BECOMING NORTHEAST 5 TO 10 KNOTS LATE. PARTLY SUNNY.
WAVES 2 FEET OR LESS.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY...THEN PARTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.

$$

SC

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





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