WHCA52 TJSJ 240604

SMWSJU

AMZ741-240645-

/O.NEW.TJSJ.MA.W.0062.251024T0604Z-251024T0645Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service San Juan PR

204 AM AST Fri Oct 24 2025



The National Weather Service in San Juan has issued a



* Special Marine Warning for...

  Mona Passage Southward to 17N...



* Until 245 AM AST.



* At 203 AM AST, a severe thunderstorm capable of producing 

  waterspouts was located over the Mona Passage, moving north at 20 

  knots.



  HAZARD...Waterspouts and wind gusts to 40 knots.



  SOURCE...Radar.



  IMPACT...Waterspouts can easily overturn boats and create locally 

           hazardous seas. Small craft could be damaged in briefly 

           higher winds and suddenly higher waves.



* The severe thunderstorm will remain over mainly open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Thunderstorms can produce sudden waterspouts. Waterspouts can easily

overturn boats and create locally hazardous seas. Seek safe harbor

immediately.



Frequent lightning is occurring with this storm. If caught on the

open water stay below deck if possible, keep away from ungrounded

metal objects.



&&



LAT...LON 1851 6799 1850 6770 1786 6749 1773 6800

TIME...MOT...LOC 0603Z 158DEG 23KT 1804 6784 



WATERSPOUT...POSSIBLE

HAIL...0.00IN

WIND...40KTS



$$



DS