580 

WHCA52 TJSJ 131415
SMWSJU
AMZ726-733-131515-
/O.NEW.TJSJ.MA.W.0007.260413T1415Z-260413T1515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service San Juan PR
1015 AM AST Mon Apr 13 2026

The National Weather Service in San Juan has issued a

* Special Marine Warning for...
  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...

* Until 1115 AM AST.

* At 1013 AM AST, severe thunderstorms capable of producing
  waterspouts were located in an area northwest of St. Croix to east
  of Vieques. These cluster of thunderstorms were nearly stationary.

  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 these storms. 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 1795 6464 1771 6506 1799 6549 1813 6536
      1811 6534 1814 6530 1813 6527 1815 6529
      1814 6533 1815 6533 1829 6520
TIME...MOT...LOC 1413Z 251DEG 13KT 1818 6508 1804 6517 1788 6497

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

$$

CVB