


Special Marine Warning
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
618 WHCA52 TJSJ 202052 SMWSJU AMZ711-712-202145- /O.NEW.TJSJ.MA.W.0015.250520T2052Z-250520T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service San Juan PR 452 PM AST Tue May 20 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... Coastal Waters of Northern Puerto Rico out 10 NM... * Until 545 PM AST. * At 451 PM AST, a severe thunderstorm capable of producing waterspouts was located over mainly areas of the coastal Atlantic waters, moving north 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. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 1867 6641 1849 6642 1847 6645 1849 6655 1848 6659 1849 6660 1849 6668 1868 6671 TIME...MOT...LOC 2051Z 046DEG 48KT 1848 6660 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ LIS