211  
FZUS63 KDTX 222042  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
342 PM EST SUN DEC 22 2024  
 
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
 
ARCTIC HIGH PRESSURE, 30.50 INCHES, TRACKS ACROSS THE  
GREAT LAKES TODAY. COMPACT LOW PRESSURE, 30.00 INCHES, THEN  
EJECTS OUT OF THE PLAINS INTO THE CENTRAL GREAT LAKES MONDAY.  
ANOTHER AREA OF HIGH PRESSURE IS QUICK TO FOLLOW TUESDAY.  
 
LCZ460-230445-  
LAKE ST CLAIR-  
342 PM EST SUN DEC 22 2024  
   
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS IN  
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.   
MONDAY
 
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO 15  
KNOTS LATE IN THE AFTERNOON. CLOUDY. A CHANCE OF LIGHT SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET.   
MONDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10  
KNOTS AFTER MIDNIGHT. LIGHT RAIN AND SNOW. WAVES 2 FEET OR LESS.   
TUESDAY
 
NORTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING  
BECOMING LIGHT AND VARIABLE. MOSTLY CLOUDY. WAVES 2 FEET OR LESS.   
TUESDAY NIGHT
 
LIGHT AND VARIABLE WINDS. CLOUDY. WAVES NEARLY  
CALM.   
WEDNESDAY
 
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS IN  
THE AFTERNOON AND EVENING. CLOUDY. A CHANCE OF LIGHT RAIN IN THE  
AFTERNOON AND EVENING. WAVES 2 FEET OR LESS.   
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET OR  
LESS.   
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. CLOUDY WITH A CHANCE OF  
LIGHT RAIN. WAVES 2 FEET OR LESS.  
 

 
 
KDK  
 
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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