FZUS63 KDTX 100143
GLFSC 
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
943 PM EDT SAT MAY 9 2009
.SYNOPSIS...
A TROUGH OF LOW PRESSURE WILL LINGER OVER NORTHERN LAKE HURON 
TONIGHT AND SUNDAY. THIS WILL BE FOLLOWED BY A LARGE AREA OF HIGH 
PRESSURE THAT WILL SETTLE OVER THE GREAT LAKES SUNDAY NIGHT AND 
REMAIN IN CONTROL THROUGH THE FIRST HALF OF NEXT WEEK.
LCZ460-100800-
LAKE ST CLAIR-
943 PM EDT SAT MAY 9 2009
.OVERNIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY 
CLOUDY...BECOMING PARTLY CLOUDY TOWARD DAYBREAK. AN ISOLATED LIGHT 
RAIN SHOWER...ENDING AROUND 4 AM. WAVES 1 TO 2 FEET. 
.SUNDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO 10 
KNOTS LATE. PARTLY SUNNY. WAVES 1 TO 2 FEET. 
.SUNDAY NIGHT...VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY 
DURING THE EARLY EVENING...THEN BECOMING MOSTLY CLEAR. WAVES AROUND 
1 FOOT. 
.MONDAY...NORTHWEST WINDS 5 TO 15 KNOTS...TURNING TO NORTH LATE. 
MOSTLY SUNNY DURING THE MORNING. PARTLY SUNNY DURING THE AFTERNOON. 
WAVES AROUND 1 FOOT. 
.MONDAY NIGHT...VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 
AROUND 1 FOOT. 
.TUESDAY...VARIABLE WINDS 10 KNOTS OR LESS...BECOMING SOUTHEAST 10 
TO 15 KNOTS. PARTLY CLOUDY. WAVES AROUND 1 FOOT...BUILDING TO 1 TO 2 
FEET LATE. 
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE 
OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 3 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS...TURNING TO SOUTHWEST. 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. WAVES 3 TO 4 FEET...SUBSIDING TO 
1 TO 2 FEET BY MIDNIGHT. 
$$
SC
 
EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/DETROIT  (ALL LOWER CASE)