339 

WHCA52 TJSJ 131512
SMWSJU
AMZ711-716-723-726-733-131715-
/O.NEW.TJSJ.MA.W.0008.260413T1512Z-260413T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service San Juan PR
1112 AM AST Mon Apr 13 2026

The National Weather Service in San Juan has issued a

* Special Marine Warning for...
  Anegada Passage east of Virgin Gorda and Saint Croix south to
  17N...
  Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N...
  Caribbean Waters of Puerto Rico from 10 NM to 17N, including the
  Coastal Waters of Saint Croix...
  Coastal Waters east of Puerto Rico, around Vieques, and around and
  just north of Culebra and Saint John...
  Coastal Waters from Cabo San Juan to the waters between Anegada
  Island and Virgin Gorda and North 10 NM...

* Until 115 PM AST.

* At 1111 AM AST, strong thunderstorms capable of producing
  waterspouts were located along a line extending from ,moving east
  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...

Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.

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

&&

LAT...LON 1781 6465 1776 6485 1777 6487 1775 6489
      1771 6506 1799 6549 1813 6536 1811 6534
      1813 6527 1815 6533 1845 6536 1895 6475
      1836 6417
TIME...MOT...LOC 1511Z 251DEG 13KT 1824 6490 1810 6499 1794 6480

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

$$

ERG