847  
FZUS63 KDTX 261358  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
ISSUED BY NATIONAL WEATHER SERVICE MARQUETTE MI  
958 AM EDT FRI APR 26 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
 
THE NEXT LOW PRESSURE SYSTEM, 29.30 INCHES, MOVES  
THROUGH THE CENTRAL PLAINS TODAY AND IS EXPECTED TO AFFECT THE  
CENTRAL GREAT LAKES THROUGH THE WEEKEND. THE SYSTEM BRINGS  
INCREASING SOUTHEAST WIND AND A PATTERN OF SHOWERS AND POSSIBLE  
THUNDERSTORMS TONIGHT. WIND TURNING SOUTHWEST PULLS WARMER AIR  
INTO THE REGION WHILE SUPPORTING A CONTINUED THUNDERSTORM THREAT  
SATURDAY AND SATURDAY NIGHT. THE ASSOCIATED COLD FRONT STALLS  
OVER LAKE HURON AND LOWER MICHIGAN DURING SUNDAY WHILE YET  
ANOTHER LOW PRESSURE SYSTEM AT 29.60 INCHES MOVES INTO THE CENTRAL  
PLAINS.  
 
LCZ460-262200-  
LAKE ST CLAIR-  
958 AM EDT FRI APR 26 2024  
   
REST OF TODAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET  
OR LESS.   
TONIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY IN THE  
EVENING...THEN MOSTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS AFTER  
MIDNIGHT. WAVES 1 TO 3 FEET.   
SATURDAY
 
SOUTH WINDS 15 TO 20 KNOTS. MOSTLY CLOUDY WITH A CHANCE  
OF LIGHT SHOWERS. WAVES 1 TO 3 FEET.   
SATURDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY IN  
THE EVENING BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.   
SUNDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15  
KNOTS IN THE AFTERNOON AND EVENING. PARTLY SUNNY IN THE  
MORNING...THEN PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON AND EVENING. WAVES 1 TO 3 FEET.   
MONDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. LIGHT  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.   
TUESDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. LIGHT  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 

 
 
DBT  
 
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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