055
WHCA52 TJSJ 171455
SMWSJU
AMZ712-171600-
/O.NEW.TJSJ.MA.W.0031.250817T1455Z-250817T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1055 AM AST SUN AUG 17 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 NOON AST.
* AT 1053 AM AST, A LINE OF STRONG THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED OVER THE NORTHERN COASTAL WATERS OF PUERTO
RICO, JUST NORTH OF CATANO, MOVING NORTH 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 1863 6593 1857 6564 1837 6563 1838 6575
1841 6577 1841 6581 1845 6590 1843 6596
1845 6595 1846 6599 1843 6597 1845 6599
1846 6610 1843 6607 1843 6610 1845 6618
1848 6619 1849 6643 1866 6644
TIME...MOT...LOC 1453Z 161DEG 12KT 1851 6609
WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...40KTS
DS
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