019
WHMY40 PGUM 120514
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
314 PM CHST WED AUG 12 2026
GUZ001-MPZ001>003-122000-
/O.EXT.PGUM.SU.Y.0049.000000T0000Z-260813T1800Z/
/O.EXT.PGUM.RP.S.0019.000000T0000Z-260813T1800Z/
GUAM-ROTA-TINIAN-SAIPAN-
314 PM CHST WED AUG 12 2026
..HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 AM CHST FRIDAY
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE THURSDAY
NIGHT...
* WHAT...LARGE BREAKING WAVES OF 8 TO 11 FEET AND DANGEROUS RIP
CURRENTS EXPECTED.
* WHERE...WEST FACING REEFS OF THE MARIANAS.
* WHEN...UNTIL 4 AM CHST FRIDAY.
* 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...A STRONG MONSOON PATTERN CONTINUES TO PRODUCE
HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS ALONG WEST-FACING
REEFS THROUGH LATE THURSDAY NIGHT. THE HIGH SURF ADVISORY AND HIGH
RIP CURRENT RISK MAY BE EXTENDED AGAIN, POTENTIALLY INCREASING BACK
UP TO HAZARDOUS LEVELS ALONG NORTH-FACING REEFS, AS THE MONSOON
PATTERN AND ASSOCIATED WEST TO NORTHWEST SWELLS CONTINUE INTO NEXT
WEEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RIP CURRENTS WILL BE LIFE THREATENING. INEXPERIENCED SWIMMERS
SHOULD REMAIN OUT OF THE WATER DUE TO DANGEROUS SURF CONDITIONS. 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.
KLEESCHULTE
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