774  
FZUS63 KDTX 130758  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
358 AM EDT SUN JUL 13 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  
HIGH PRESSURE, 30.00 INCHES, BUILDS OVER THE GREAT  
LAKES TODAY AND WILL HOLD THROUGH TUESDAY. THE NEXT CHANCE FOR  
ACTIVE WEATHER RETURNS BY THE MIDWEEK PERIOD AS A PRE-FRONTAL  
TROUGH AND COLD FRONT MOVE OVER THE REGION.  
 
LCZ460-131600-  
LAKE ST CLAIR-  
358 AM EDT SUN JUL 13 2025  
   
TODAY  
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTHWEST IN THE  
AFTERNOON. PARTLY SUNNY. A CHANCE OF SHOWERS EARLY MORNING AND  
AGAIN IN THE AFTERNOON. WAVES 2 FEET OR LESS.   
TONIGHT  
WEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR  
LESS.   
MONDAY  
LIGHT AND VARIABLE WINDS. SUNNY. WAVES 2 FEET OR LESS.   
MONDAY NIGHT  
LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10  
KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING LIGHT  
AND VARIABLE AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.   
TUESDAY  
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO 10 KNOTS  
IN THE AFTERNOON AND EVENING. SUNNY IN THE MORNING BECOMING MOSTLY  
CLEAR. WAVES 2 FEET OR LESS.   
WEDNESDAY  
SOUTHWEST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.   
THURSDAY  
NORTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
 
 
BT  
 
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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