882  
WHCA52 TJSJ 171756  
SMWSJU  
AMZ711-172000-  
/O.NEW.TJSJ.MA.W.0033.250817T1756Z-250817T2000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
156 PM AST SUN AUG 17 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 400 PM AST.  
 
* AT 154 PM AST, CLUSTERS OF SEVERE THUNDERSTORM, ASSOCIATED WITH  
ERIN'S OUTER BANDS, CAPABLE OF PRODUCING WATERSPOUTS WERE LOCATED  
OVER THE OFFSHORE ATLANTIC WATERS, MOVING NORTHWEST AT 10-15 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS TO NEARLY 50 KNOTS.  
 
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...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS TO NEARLY 50 KNOTS, HIGH WAVES, DANGEROUS LIGHTNING, AND  
HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
REPORT SEVERE WEATHER TO THE COAST GUARD OR THE NATIONAL WEATHER  
SERVICE.  
 

 
 
LAT...LON 1859 6557 1884 6800 1950 6800 1951 6493  
TIME...MOT...LOC 1754Z 240DEG 49KT 1875 6606  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...49KTS  
 

 
 
ICP  
 
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