237
WHCA52 TJSJ 181306
SMWSJU
AMZ735-181330-
/O.NEW.TJSJ.MA.W.0034.250818T1306Z-250818T1330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
906 AM AST MON AUG 18 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 930 AM AST.
* AT 905 AM AST, A STRONG THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED OVER THE COASTAL WATERS OF GUANICA,
MOVING NORTH AT 25 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR
IMMEDIATELY.
LAT...LON 1798 6705 1797 6699 1795 6698 1792 6692
1794 6693 1796 6692 1798 6693 1795 6690
1794 6686 1796 6685 1795 6683 1788 6683
1785 6702
TIME...MOT...LOC 1305Z 172DEG 24KT 1794 6694
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...>34KTS
DS
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