612
WHCA52 TJSJ 271801
SMWSJU
AMZ711-741-742-745-271930-
/O.NEW.TJSJ.MA.W.0017.250727T1801Z-250727T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service San Juan PR
201 PM AST Sun Jul 27 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...
  Coastal Waters OF Northwestern Puerto Rico out 10 NM...
  Coastal Waters OF Southwestern Puerto Rico out 10 NM...
  Mona Passage Southward to 17N...

* Until 330 PM AST.

* At 200 PM AST, a severe thunderstorm capable of producing
  waterspouts was located just offshore of Rincon and Anasco, moving
  west at 5 knots.

  HAZARD...Waterspouts and wind gusts 34 knots or greater.

  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.

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.

Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

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

&&

LAT...LON 1856 6752 1839 6722 1836 6727 1830 6724
      1828 6719 1823 6717 1821 6715 1820 6715
      1816 6719 1815 6718 1816 6760
TIME...MOT...LOC 1800Z 108DEG 6KT 1830 6726

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...>34KTS

$$

CVB