320  
FZUS63 KDTX 071936  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
336 PM EDT WED MAY 7 2025  
 
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
 
PROLONGED NORTHEAST WINDS THROUGH TOMORROW EVENING AS  
HIGH PRESSURE OF 30.50 INCHES SINKS SOUTH FROM JAMES BAY. THIS  
WEAKENED HIGH WILL MOVE OVERHEAD TO CLOSE OUT THE WEEK, RESULTING  
IN LIGHT WINDS INTO THE WEEKEND.  
 
LCZ460-080345-  
LAKE ST CLAIR-  
336 PM EDT WED MAY 7 2025  
   
TONIGHT
 
VARIABLE WINDS AROUND 10 KNOTS EARLY, BECOMING NORTH  
15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.   
THURSDAY
 
NORTH WINDS 15 TO 20 KNOTS. PARTLY SUNNY IN THE  
MORNING THEN CLEARING. WAVES 1 TO 3 FEET.   
THURSDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. CLEAR. WAVES 1 TO 3  
FEET.   
FRIDAY
 
NORTH WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.   
FRIDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE  
NORTHWEST AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.   
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTHEAST IN THE  
EVENING. SUNNY BECOMING MOSTLY CLEAR. WAVES 2 FEET OR LESS.   
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR  
LESS.   
MONDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. 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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