167
WHMY40 PGUM 040540
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
340 PM CHST FRI SEP 4 2026
GUZ001-MPZ001>003-041800-
/O.EXT.PGUM.SU.Y.0055.000000T0000Z-260904T1800Z/
/O.EXT.PGUM.RP.S.0021.000000T0000Z-260904T1800Z/
GUAM-ROTA-TINIAN-SAIPAN-
340 PM CHST FRI SEP 4 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST SATURDAY
..HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 7 TO
9 FEET IN THE SURF ZONE. FOR THE HIGH RIP CURRENT RISK, DANGEROUS
RIP CURRENTS.
* WHERE...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...LARGE SURF AND DANGEROUS RIP CURRENTS ALONG
WEST-FACING REEFS WILL LINGER LONGER THAN PREVIOUSLY ANTICIPATED.
AFTER TONIGHT, THE ELEVATED WESTERLY SWELL WILL DIMINISH, ALLOWING
SURF TO DROP BELOW ADVISORY LEVELS AND THE RIP CURRENT RISK TO
DROP TO MODERATE.
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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