863  
FZUS63 KDTX 051405  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
905 AM EST THU DEC 5 2019  
 
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST  
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF  
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.  
   
SYNOPSIS
 
LOW PRESSURE, 29.30 INCHES, IS MOVING ACROSS SOUTHEAST  
ACROSS ONTARIO. HIGH PRESSURE OF 30.00 WILL BUILD INTO THE AREA  
ON THURSDAY.  
 
LCZ460-052115-  
LAKE ST CLAIR-  
905 AM EST THU DEC 5 2019  
   
REST OF TODAY
 
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 5 TO  
10 KNOTS. PARTLY SUNNY. WAVES AROUND 2 FEET.   
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO 15  
KNOTS AFTER MIDNIGHT. CLOUDY. WAVES 2 FEET OR LESS.   
FRIDAY
 
NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.   
FRIDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.   
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHWEST IN THE  
AFTERNOON...THEN BECOMING SOUTH 10 TO 15 KNOTS IN THE EVENING.  
PARTLY SUNNY IN THE MORNING BECOMING MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.   
SUNDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY. RAIN  
LIKELY. WAVES 1 TO 3 FEET.   
MONDAY
 
WEST WINDS 10 TO 15 KNOTS. CLOUDY WITH RAIN LIKELY. WAVES  
2 FEET OR LESS.  
 

 
 
SF  
 
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT  
WEATHER.GOV/DTX/GLFTABLESC  
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES  
 
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