105
WHCA52 TJSJ 180057
SMWSJU
AMZ711-180200-
/O.NEW.TJSJ.MA.W.0057.251018T0057Z-251018T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service San Juan PR
857 PM AST Fri Oct 17 2025

The National Weather Service in San Juan has issued a

* Special Marine Warning for...
  Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N...

* Until 1000 PM AST.

* At 856 PM AST, a severe thunderstorm capable of producing
  waterspouts was located over mainly areas of northwesternmost
  Offshore Atlantic Waters, moving southeast at 15 to 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...

Move to safe harbor until hazardous weather passes.

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

Report severe weather to the Coast Guard or the National Weather
Service.

&&

LAT...LON 1901 6708 1898 6800 1950 6800 1950 6700
TIME...MOT...LOC 0056Z 314DEG 34KT 1933 6778

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...40KTS

$$

MRR