511  
FZUS63 KDTX 161435  
GLFSC  
 
LAKE ST CLAIR FORECAST  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
935 AM EST SUN NOV 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
 
LOW PRESSURE, 29.00 INCHES, WILL MOVE ACROSS NORTHERN  
NEW ENGLAND THIS MORNING. HIGH PRESSURE, 30.00 INCHES WILL HOLD  
ACROSS THE UPPER MIDWEST. GALE FORCE NORTHWEST WINDS BETWEEN  
THESE TWO SYSTEMS WILL BE THE RESULT ON LAKE HURON TODAY. THESE  
WILL ALSO DRAW COLD AIR ACROSS THE LAKES, TRIGGERING SNOW  
SQUALLS. THE HIGH PRESSURE SYSTEM WILL MOVE INTO THE GREAT LAKES  
REGION MONDAY INTO MONDAY NIGHT, LEADING TO WEAKENING WINDS. WEAK  
LOW PRESSURE IS FORECAST TO TRACK ACROSS THE OHIO VALLEY TUESDAY  
WHILE HIGH PRESSURE HOLDS FIRM ACROSS THE NORTHERN GREAT LAKES.  
 
LCZ460-162300-  
LAKE ST CLAIR-  
935 AM EST SUN NOV 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY
 
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30  
KNOTS. PARTLY SUNNY. WAVES 2 TO 4 FEET.   
TONIGHT
 
NORTHWEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO 20  
KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.   
MONDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15  
KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.   
MONDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2  
FEET OR LESS.   
TUESDAY
 
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS IN  
THE AFTERNOON AND EVENING. MOSTLY CLOUDY. A CHANCE OF LIGHT RAIN IN  
THE AFTERNOON AND EVENING. WAVES 2 FEET OR LESS.   
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 2 FEET  
OR LESS.   
THURSDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A  
CHANCE OF LIGHT RAIN. 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  
 
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