248
WHCA52 TJSJ 171604
SMWSJU
AMZ735-171630-
/O.NEW.TJSJ.MA.W.0032.250817T1604Z-250817T1630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1204 PM AST SUN AUG 17 2025
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
COASTAL WATERS OF SOUTHERN PUERTO RICO OUT 10 NM...
* UNTIL 1230 PM AST.
* AT 1203 PM AST, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED OVER THE COASTAL WATERS OF GUANICA, MOVING
NORTHEAST AT 15 KNOTS.
HAZARD...WATERSPOUTS AND WIND GUSTS TO 40 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.
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 1794 6698 1795 6697 1792 6692 1794 6693
1796 6692 1798 6693 1795 6690 1795 6683
1797 6680 1799 6680 1801 6677 1799 6676
1798 6671 1785 6689
TIME...MOT...LOC 1603Z 226DEG 15KT 1793 6687
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...40KTS
DS
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