117
WHMY40 PGUM 240649
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
449 PM CHST MON AUG 24 2026
GUZ001-MPZ001>003-241900-
/O.EXT.PGUM.SU.Y.0054.000000T0000Z-260824T1900Z/
/O.EXT.PGUM.RP.S.0020.000000T0000Z-260824T1900Z/
GUAM-ROTA-TINIAN-SAIPAN-
449 PM CHST MON AUG 24 2026
..HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST TUESDAY
..HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TONIGHT
* WHAT...LARGE BREAKING WAVES OF 7 TO 10 FEET AND DANGEROUS RIP
CURRENTS.
* WHERE...WEST-FACING REEFS OF THE MARIANAS.
* WHEN...FOR THE HIGH SURF ADVISORY, UNTIL 5 AM CHST TUESDAY. FOR
THE HIGH RIP CURRENT RISK, THROUGH LATE TONIGHT.
* IMPACTS...DANGEROUS SWIMMING AND SURFING CONDITIONS AND
LOCALIZED BEACH EROSION. RIP CURRENTS CAN SWEEP EVEN THE BEST
SWIMMERS AWAY FROM SHORE INTO DEEPER WATER.
* ADDITIONAL DETAILS...SIGNIFICANT SOUTHWESTERLY SWELL DRIVEN BY
THE MONSOON PATTERN AND TROPICAL DEPRESSION 19W, WELL NORTH-
NORTHWEST OF YAP, IS PRODUCING HAZARDOUS SURF AND DANGEROUS RIP
CURRENTS ALONG WEST-FACING REEFS THROUGH TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RIP CURRENTS WILL BE LIFE THREATENING. INEXPERIENCED SWIMMERS
SHOULD REMAIN OUT OF THE WATER DUE TO DANGEROUS SURF CONDITIONS.
RIP CURRENTS WILL BE LIFE THREATENING. IF CAUGHT IN A RIP
CURRENT, RELAX AND FLOAT. DON'T SWIM AGAINST THE CURRENT. IF
ABLE, SWIM IN A DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO
ESCAPE, FACE THE SHORE AND CALL OR WAVE FOR HELP.
OGLE
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