118  
FZUS63 KDTX 150753  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
353 AM EDT MON SEP 15 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, 30.40 INCHES, WILL CONTINUE TO HOLD  
OVER THE EASTERN GREAT LAKES THROUGH AT LEAST THE MIDDLE OF THE  
WEEK. THE POSITION OF THIS HIGH WILL MAINTAIN SOME DEGREE OF A  
LIGHT EASTERLY COMPONENT TO SURFACE WINDS FOR SEVERAL DAYS AND  
WILL SUSTAIN DRY WEATHER.  
 
LCZ460-151600-  
LAKE ST CLAIR-  
353 AM EDT MON SEP 15 2025  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.   
TONIGHT
 
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.   
TUESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.   
TUESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. MOSTLY CLEAR. WAVES 2 FEET OR LESS.   
WEDNESDAY
 
LIGHT AND VARIABLE WINDS. CLEAR. WAVES 2 FEET OR LESS.   
THURSDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES 2 FEET OR  
LESS.   
FRIDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 FEET  
OR LESS.  
 

 
 
MR  
 
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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