Issued by NWS
000 FZUS63 KDTX 070744 GLFSC LAKE ST CLAIR FORECAST NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 344 AM EDT TUE OCT 7 2008 .SYNOPSIS...A LARGE AREA OF HIGH PRESSURE...30.50 INCHES...OVER SOUTHERN ONTARIO WILL GRADUALLY BUILD TOWARD THE MID ATLANTIC THROUGH TONIGHT. A WEAK SURFACE LOW AND FRONTAL BOUNDARY... AVERAGING 29.80 INCHES...WILL MOVE THROUGH THE CENTRAL GREAT LAKES ON WEDNESDAY. HIGH PRESSURE WILL THEN BUILD BACK INTO THE GREAT LAKES REGION FOR THE END OF THE WEEK. LCZ460-071400- LAKE ST CLAIR- 344 AM EDT TUE OCT 7 2008 .TODAY...EAST WINDS 5 TO 10 KNOTS...BECOMING SOUTHEAST 10 TO 15 KNOTS. MOSTLY SUNNY THROUGH MID MORNING...THEN BECOMING PARTLY SUNNY. WAVES 1 TO 2 FEET. .TONIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY DURING THE EVENING. CLOUDY OVERNIGHT. A CHANCE OF SHOWERS LATE. WAVES 1 TO 2 FEET. .WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. CLOUDY. SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THROUGH LATE AFTERNOON...THEN A CHANCE OF SHOWERS. WAVES AROUND 1 FOOT...BUILDING TO 2 TO 3 FEET LATE. .WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS...TURNING TO WEST...THEN BECOMING VARIABLE 10 KNOTS OR LESS. CLOUDY. A CHANCE OF SHOWERS DURING THE EVENING. WAVES 1 TO 2 FEET. .THURSDAY...VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES AROUND 1 FOOT. .FRIDAY...VARIABLE WINDS 10 KNOTS OR LESS...BECOMING EAST 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES AROUND 1 FOOT. .SATURDAY...VARIABLE WINDS 10 KNOTS OR LESS...BECOMING SOUTHEAST 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES AROUND 1 FOOT. THE WATER TEMPERATURE IS 60 DEGREES. $$ MR EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT WEATHER.GOV/DETROIT (ALL LOWER CASE)