854
WHCA52 TJSJ 030918
SMWSJU
AMZ711-031015-
/O.NEW.TJSJ.MA.W.0018.250803T0918Z-250803T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service San Juan PR
518 AM AST Sun Aug 3 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 615 AM AST.

* At 517 AM AST, a severe thunderstorm capable of producing
  waterspouts was located well offshore in the Atlantic waters,
  moving northwest at 10 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 1916 6503 1907 6536 1951 6564 1951 6513
TIME...MOT...LOC 0917Z 153DEG 11KT 1949 6534

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

$$

CVB