Issued by NWS
000 FZUS63 KDTX 071950 GLFSC LAKE ST CLAIR FORECAST NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 345 PM EDT TUE OCT 7 2008 .SYNOPSIS... HIGH PRESSURE OVER THE EASTERN GREAT LAKES WILL CONTINUE TO RETREAT EASTWARD TONIGHT AS AN AREA OF LOW PRESSURE EJECTS OUT OF THE CENTRAL PLAINS. THIS SYSTEM WILL DEEPEN TO 29.70 INCHES AS IT LIFTS NORTHEAST INTO NORTHERN LAKE HURON BY TOMORROW AFTERNOON...AND PUSHES A WEAK COLD FRONT ACROSS MICHIGAN. HIGH PRESSURE WILL THEN BUILD BACK OVER THE GREAT LAKES ON THURSDAY AND HOLD THROUGH THE WEEKEND. LCZ460-080200- LAKE ST CLAIR- 345 PM EDT TUE OCT 7 2008 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM WEDNESDAY UNTIL 8 PM WEDNESDAY... .TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY DURING THE EVENING. CLOUDY OVERNIGHT. WIDESPREAD SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER 5 AM. WAVES 2 TO 3 FEET. .WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS...WITH GUSTS TO 25 KNOTS...TURNING TO SOUTH AROUND NOON...THEN BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO 25 KNOTS LATE. CLOUDY. SHOWERS WITH A 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 10 TO 15 KNOTS...TURNING TO WEST AROUND MIDNIGHT...THEN TURNING TO SOUTHWEST. CLOUDY...GRADUAL CLEARING BY DAYBREAK. A CHANCE OF SHOWERS DURING THE EVENING. WAVES 1 TO 2 FEET. .THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. MOSTLY SUNNY. WAVES AROUND 1 FOOT. .THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS...TURNING TO NORTHWEST. MOSTLY CLEAR. WAVES AROUND 1 FOOT. .FRIDAY...NORTHEAST WINDS 5 TO 15 KNOTS...TURNING TO EAST. PARTLY CLOUDY. WAVES AROUND 1 FOOT. .SATURDAY...EAST WINDS 5 TO 15 KNOTS...TURNING TO SOUTHEAST. PARTLY CLOUDY. WAVES AROUND 1 FOOT. .SUNDAY...VARIABLE WINDS 10 KNOTS OR LESS...BECOMING SOUTHEAST 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET. THE WATER TEMPERATURE IS 60 DEGREES. $$ HLO EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT WEATHER.GOV/DETROIT (ALL LOWER CASE)