FZUS63 KDTX 180754
GLFSC 
LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 AM EDT SAT MAY 18 2013
.SYNOPSIS...A HIGH PRESSURE SYSTEM...AVERAGING 30.20 INCHES...WILL 
PERSIST ACROSS THE GREAT LAKES AREA THROUGH THE WEEKEND. A LARGE LOW 
PRESSURE SYSTEM...AVERAGING 29.50 INCHES...WILL STALL OVER THE 
NORTHERN PLAINS EARLY IN THE WEEK BRINGING INCREASING CHANCES OF 
SHOWERS AND THUNDERSTORMS THROUGH MIDWEEK. THE LOW WILL PASS THROUGH 
THE SOUTHERN LAKES LATE IN THE WEEK ALLOWING HIGH PRESSURE TO BUILD 
BACK IN FROM THE NORTH.
LCZ460-182000-
LAKE ST CLAIR-
352 AM EDT SAT MAY 18 2013
.TODAY...EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET OR
LESS. 
.TONIGHT...EAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS. 
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS. 
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS. 
.MONDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY SUNNY THROUGH EARLY
AFTERNOON...THEN PARTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY
BY MID AFTERNOON. WAVES 2 FEET OR LESS. 
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS. 
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. CLOUDY WITH SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 2 FEET OR LESS. 
$$
DRK
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. MAXIMUM WAVE HEIGHT IS THE HIGHEST 1/20
WAVE HEIGHT.
EXPERIMENTAL GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/DETROIT (ALL LOWER CASE)