


Special Marine Warning
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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589 WHCA52 TJSJ 112157 SMWSJU AMZ712-112245- /O.NEW.TJSJ.MA.W.0010.250511T2157Z-250511T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service San Juan PR 557 PM AST Sun May 11 2025 The National Weather Service in San Juan has issued a * Special Marine Warning for... Coastal Waters of Northern Puerto Rico out 10 NM... * Until 645 PM AST. * At 556 PM AST, a strong thunderstorm capable of producing waterspouts was located over the coastal waters of Isabela, 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. * The strong thunderstorm will remain over mainly across the northwestern coastal waters of Puerto Rico. 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. && LAT...LON 1867 6713 1854 6692 1849 6694 1849 6698 1851 6704 1851 6712 1850 6715 1850 6722 TIME...MOT...LOC 2156Z 089DEG 7KT 1849 6697 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ DS