340
WHMY40 PGUM 100559
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
359 PM CHST FRI JUL 10 2026
GUZ001-MPZ001>003-101800-
/O.EXT.PGUM.SU.Y.0048.000000T0000Z-260710T1800Z/
/O.EXT.PGUM.RP.S.0018.000000T0000Z-260710T1800Z/
GUAM-ROTA-TINIAN-SAIPAN-
359 PM CHST FRI JUL 10 2026
..HIGH SURF ADVISORY IN EFFECT UNTIL 4 AM CHST SATURDAY
..HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE TONIGHT
* WHAT...LARGE BREAKING WAVES UP TO 10 FEET IN THE SURF ZONE.
DANGEROUS RIP CURRENTS.
* WHERE...ALONG NORTH, SOUTH, AND WEST FACING REEFS OF THE MARIANAS.
* WHEN...UNTIL 4 AM CHST SATURDAY.
* 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 WEST TO SOUTHWEST SWELLS CONTINUE
TO EMANATE FROM SUPER TYPHOON BAVI (09W) AND ITS TRAILING MONSOON
PATTERN, MAINTAINING HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS
ALONG NORTH, SOUTH, AND WEST FACING REEFS. SO, THE HIGH SURF
ADVISORY AND HIGH RIP CURRENT RISK HAVE BEEN EXTENDED THROUGH AT
LEAST EARLY SATURDAY MORNING. AS BAVI CONTINUES TO PULL AWAY AND
THE LEADING MONSOON SURGE WEAKENS, SWELLS AND ASSOCIATED SURF WILL
CONTINUE TO DIMINISH, POTENTIALLY FALLING BELOW HAZARDOUS LEVELS BY
SATURDAY MORNING.
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.
MESA
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