440  
WHUS53 KDTX 030631  
SMWDTX  
LCZ423-460-030730-  
/O.NEW.KDTX.MA.W.0074.260903T0631Z-260903T0730Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
231 AM EDT THU SEP 3 2026  
 
THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
DETROIT RIVER...  
LAKE ST. CLAIR OPEN LAKE (U.S. PORTION)...  
 
* UNTIL 330 AM EDT.  
 
* AT 231 AM EDT, A STRONG THUNDERSTORM WAS LOCATED NEAR ST. CLAIR  
SHORES, MOVING EAST AT 45 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* THE STRONG THUNDERSTORM WILL BE NEAR...  
ST. CLAIR SHORES AND GROSSE POINTE AROUND 235 AM EDT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4255 8275 4252 8283 4245 8283 4236 8288  
4232 8306 4231 8308 4233 8310 4239 8295  
4244 8291 4254 8291 4256 8288 4257 8287  
4257 8274  
TIME...MOT...LOC 0631Z 286DEG 45KT 4246 8299  
 
HAIL...0.00IN  
WIND...49KTS  
 

 
 
BT  
 
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