WHCA52 TJSJ 250358

SMWSJU

AMZ741-250500-

/O.NEW.TJSJ.MA.W.0066.251025T0358Z-251025T0500Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service San Juan PR

1158 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 100 AM AST.



* At 1157 PM AST, a severe thunderstorm capable of producing 

  waterspouts was located over the Mona Passage, moving north at 10 

  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...



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 6738 1844 6743 1840 6744

      1832 6744 1818 6736 1803 6739 1791 6739

      1789 6737 1783 6737 1738 6797

TIME...MOT...LOC 0357Z 174DEG 12KT 1823 6764 



WATERSPOUT...POSSIBLE

HAIL...0.00IN

WIND...40KTS



$$



DS