617  
FZUS63 KDTX 081346  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
946 AM EDT THU OCT 8 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
 
PERSISTENT INFLUENCE FROM QUEBEC LOW PRESSURE  
MAINTAINS MODEST POST-FRONTAL NORTHWESTERLY WINDS TODAY WITH  
SEASONABLE CONDITIONS. HIGH PRESSURE BUILDS IN FROM THE WEST  
FRIDAY SHIFTING WINDS SOUTHERLY. PREVAILING RAIN-FREE CONDITIONS  
EXPECTED UNTIL THE NEXT SYSTEM APPROACHES SATURDAY NIGHT.  
 
LCZ460-082200-  
LAKE ST CLAIR-  
946 AM EDT THU OCT 8 2026  
   
REST OF TODAY
 
WEST WINDS 10 TO 15 KNOTS. SUNNY. WAVES 2 FEET OR  
LESS.   
TONIGHT
 
WEST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
EARLY IN THE MORNING. CLEAR. WAVES 2 FEET OR LESS.   
FRIDAY
 
WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH EARLY IN THE  
AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.   
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15  
KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 2 FEET  
OR LESS.   
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. SUNNY BECOMING MOSTLY SUNNY  
IN THE AFTERNOON BECOMING PARTLY CLOUDY. WAVES 2 FEET OR LESS.   
SUNDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH LIGHT  
RAIN LIKELY. WAVES 2 FEET OR LESS.   
MONDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES 2  
FEET OR LESS.  
 

 
 
TF  
 
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT  
WEATHER.GOV/DTX/GLFTABLESC  
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page Main Text Page