656
WHMY50 PGUM 150646
SMWGUM
PMZ151-150715-
/O.NEW.PGUM.MA.W.0002.251015T0646Z-251015T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TIYAN GU
443 PM CHST WED OCT 15 2025

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

* SPECIAL MARINE WARNING FOR...
  WESTERN GUAM COASTAL WATERS...

* UNTIL 515 PM CHST.

* AT 443 PM CHST...A THUNDERSTORM CAPABLE OF PRODUCING WATERSPOUTS
  WAS LOCATED 14 NAUTICAL  MILES SOUTHWEST OF APRA HARBOR...MOVING
  WEST AT 20 KNOTS.

  HAZARD...WATERSPOUTS.

  SOURCE...RADAR.

  IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE
           LOCALLY HAZARDOUS SEAS.

* THE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR
IMMEDIATELY.

&&

LAT...LON 1347 14446 1331 14452 1317 14423 1345 14415
TIME...MOT...LOC 0643Z 073DEG 19KT 1338 14444

WATERSPOUT...POSSIBLE
HAIL...0.00IN
WIND...<34KTS

$$

JLS