FZUS63 KDTX 201502
GLFSC 
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1001 AM EST TUE JAN 20 2009
.SYNOPSIS...A WEAK SURFACE TROUGH LINGERING OVER LAKE HURON WILL 
WEAKEN TODAY AS HIGH PRESSURE AVERAGING 30.20 INCHES BUILDS OVER THE 
MID MISSISSIPPI VALLEY. THIS AREA OF HIGH PRESSURE WILL BE 
SUPPRESSED TO THE SOUTH OVERNIGHT AHEAD OF A LOW PRESSURE SYSTEM 
MOVING EAST ACROSS ONTARIO ON WEDNESDAY.  
LCZ460-202100-
LAKE ST CLAIR-
1001 AM EST TUE JAN 20 2009
.THIS AFTERNOON...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. 
SCATTERED FLURRIES...ENDING AROUND NOON. 
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...TURNING TO SOUTHWEST. 
PARTLY CLOUDY DURING THE EARLY EVENING...THEN BECOMING MOSTLY CLEAR. 
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS AROUND NOON. MOSTLY 
CLOUDY. A CHANCE OF FLURRIES. 
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. A 
CHANCE OF FLURRIES DURING THE EVENING. 
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE 
OF FLURRIES DURING THE AFTERNOON. 
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...TURNING TO NORTHWEST. 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS. SMALL CRAFT ADVISORY MAY BE 
REQUIRED.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS...TURNING TO WEST AROUND 
MIDNIGHT. PARTLY CLOUDY. 
WAVES OMITTED DUE TO ICE COVERAGE.
$$
KEC
 
EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/DETROIT  (ALL LOWER CASE)