WHCA52 TJSJ 250303

SMWSJU

AMZ741-250400-

/O.NEW.TJSJ.MA.W.0064.251025T0303Z-251025T0400Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service San Juan PR

1103 PM 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 midnight AST.



* At 1103 PM 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 nearly 50 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 open waters.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor immediately as gusty winds and high waves are

expected.



Thunderstorms can produce sudden waterspouts. Waterspouts can easily

overturn boats and create locally hazardous seas. Seek safe harbor

immediately.



&&



LAT...LON 1850 6800 1850 6746 1750 6749 1720 6800

TIME...MOT...LOC 0303Z 187DEG 18KT 1820 6779 



WATERSPOUT...POSSIBLE

HAIL...0.00IN

WIND...49KTS



$$



DS