149  
FZUS63 KDTX 081917  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
317 PM EDT THU MAY 8 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
 
POST COLD-FRONTAL NORTH TO NORTHEAST WINDS WILL  
CONTINUE TO PRODUCE ELEVATED WAVE HEIGHTS ACROSS THE SAGINAW BAY  
THROUGH LAKE HURON SHORELINE THROUGH TONIGHT. HIGH PRESSURE,  
30.30 INCHES, THEN BUILDS IN THROUGH TOMORROW AND WILL HOLD  
THROUGH THE WEEKEND, BRINGING CALM TO LIGHT WINDS.  
 
LCZ460-090330-  
LAKE ST CLAIR-  
317 PM EDT THU MAY 8 2025  
   
TONIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS  
IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 2 FEET OR LESS.   
FRIDAY
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS IN  
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 2 FEET OR LESS.   
FRIDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE WEST  
AFTER MIDNIGHT. CLEAR. WAVES 2 FEET OR LESS.   
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.   
SATURDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. CLEAR. WAVES 2 FEET OR  
LESS.   
SUNDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHEAST IN  
THE AFTERNOON AND EVENING. CLEAR. WAVES 2 FEET OR LESS.   
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE  
OF RAIN. WAVES 2 FEET OR LESS.  
 

 
 
AM  
 
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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