What is happening
SMWSJU 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... * Until 430 PM AST. * At 405 PM AST, severe thunderstorms capable of producing waterspouts were located about 35 nautical miles south of Guayama, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Mainly open waters of Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix.
Official instructions
Move to safe harbor until hazardous weather passes. Seek safe shelter, mariners can expect gusty winds and increasing waves. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office.
