336  
FZUS63 KDTX 100141  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
941 PM EDT SUN AUG 9 2026  
 
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
 
THIS EVENING THROUGH EARLY NEXT WEEK AN ACTIVE PATTERN  
WITH A STALLED FRONTAL BOUNDARY DRAPED OVER THE SOUTHERN GREAT  
LAKES REGION BRINGS BACK CHANCES FOR ORGANIZED THUNDERSTORMS TO  
THE REGION. BY THE END OF NEXT WEEK, HIGH PRESSURE AROUND 30.1  
INCHES BUILDS SOUTH FROM CENTRAL CANADA.  
 
LCZ460-100945-  
LAKE ST CLAIR-  
941 PM EDT SUN AUG 9 2026  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY  
WITH SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR  
LESS.   
MONDAY
 
WEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS IN  
THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 2  
FEET OR LESS.   
MONDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTH  
IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. A CHANCE OF LIGHT  
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.   
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. A CHANCE OF LIGHT  
SHOWERS EARLY IN THE AFTERNOON. WAVES 2 FEET OR LESS.   
TUESDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. A CHANCE  
OF LIGHT SHOWERS . WAVES 2 FEET OR LESS.   
WEDNESDAY
 
WEST WINDS 5 TO 10 KNOTS VEERING TO THE NORTHWEST IN  
THE EVENING. PARTLY SUNNY WITH A CHANCE OF LIGHT SHOWERS IN THE  
MORNING...THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON AND EVENING. WAVES 2 FEET OR LESS.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2  
FEET OR LESS.   
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. 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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