Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 160147
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 PM EDT FRI AUG 15 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...AVERAGING 30.10 INCHES...OVER THE
SOUTHERN GREAT LAKES WILL DROP INTO THE OHIO VALLEY TONIGHT. A
TROUGH OF LOW PRESSURE...AVERAGING 29.80 INCHES...WILL DROP THROUGH
THE REGION ON SATURDAY BRINGING THE NEXT CHANCE FOR SHOWERS AND
THUNDERSTORMS. THIS ACTIVITY WILL CONTINUE ACROSS THE SOUTHERN GREAT
LAKES ON SUNDAY AS A TRAILING LOW PRESSURE SYSTEM TRACKS ALONG THE
FRONT.

LCZ460-160800-
LAKE ST CLAIR-
944 PM EDT FRI AUG 15 2014

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS BY MID AFTERNOON. PARTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS...VEERING TO THE
NORTHWEST LATE. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS. 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...THEN PARTLY
CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
WAVES 2 FEET OR LESS.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. PARTLY CLOUDY. WAVES 2 FEET OR LESS.
.WEDNESDAY...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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