416  
FZUS63 KDTX 160735  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
335 AM EDT TUE SEP 16 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, 30.30 INCHES, HOLDS OVER THE EASTERN  
GREAT LAKES THROUGH THE MIDDLE OF THE WEEK, WHICH WILL CONTINUE  
TO SUPPORT DRY WEATHER AND LIGHT WINDS. A SECOND HIGH PRESSURE  
SYSTEM WILL THEN DROP IN FROM THE CENTRAL CANADIAN PROVINCES,  
CENTERING OVER EASTERN ONTARIO BY THE END OF THE WEEK.  
 
LCZ460-161545-  
LAKE ST CLAIR-  
335 AM EDT TUE SEP 16 2025  
   
TODAY  
NORTHEAST WINDS 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.   
TONIGHT  
NORTHEAST WINDS 5 TO 10 KNOTS UNTIL EARLY MORNING  
BECOMING LIGHT AND VARIABLE. CLEAR. WAVES 2 FEET OR LESS.   
WEDNESDAY  
LIGHT AND VARIABLE WINDS. SUNNY. WAVES 2 FEET OR LESS.   
WEDNESDAY NIGHT  
LIGHT AND VARIABLE WINDS. CLEAR. WAVES NEARLY  
CALM.   
THURSDAY  
LIGHT AND VARIABLE WINDS BECOMING WEST 5 TO 10 KNOTS IN  
THE AFTERNOON...THEN VEERING TO THE NORTHEAST IN THE EVENING. MOSTLY  
SUNNY IN THE MORNING BECOMING CLEAR. WAVES 2 FEET OR LESS.   
FRIDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 FEET  
OR LESS.   
SATURDAY  
EAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3  
FEET.  
 
 
 
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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