Issued by NWS
000 FZUS63 KDTX 271318 GLFSC LAKE ST CLAIR FORECAST NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 920 AM EDT THU AUG 27 2009 .SYNOPSIS...SURFACE HIGH PRESSURE...AVERAGING 30.20 INCHES...WILL MAINTAIN CONTROL OVER THE NORTHERN GREAT LAKES TODAY. A LOW PRESSURE SYSTEM WILL THEN MOVE ACROSS THE GREAT LAKES FRIDAY AND SATURDAY...BRINGING COOL AND UNSETTLED CONDITIONS THROUGH SUNDAY. LCZ460-272000- LAKE ST CLAIR- 920 AM EDT THU AUG 27 2009 .THIS AFTERNOON...NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. A CHANCE OF SHOWERS THROUGH 2 PM...THEN A SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FEET. .TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING VARIABLE 10 KNOTS OR LESS...THEN BECOMING EAST 5 TO 10 KNOTS LATE. MOSTLY CLOUDY. A CHANCE OF SHOWERS. WAVES AROUND 1 FOOT. .FRIDAY...EAST WINDS 5 TO 15 KNOTS...TURNING TO SOUTHEAST. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. OTHERWISE MOSTLY CLOUDY. WAVES 1 TO 2 FEET. .FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS...TURNING TO SOUTH LATE. MOSTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS MAINLY BEFORE MIDNIGHT...THEN A CHANCE OF SHOWERS WITH AN ISOLATED THUNDERSTORM. WAVES AROUND 1 FOOT. .SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS...TURNING TO WEST. MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FOOT. .SUNDAY...WEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. A CHANCE OF SHOWERS. WAVES 1 TO 2 FEET. .MONDAY...WEST WINDS 10 TO 15 KNOTS...TURNING TO NORTHWEST. PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FEET. $$ SF EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT WEATHER.GOV/DETROIT (ALL LOWER CASE)
