871
WHMY40 PGUM 040555
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
355 PM CHST TUE AUG 4 2026
GUZ001-MPZ001>003-042000-
/O.CON.PGUM.SU.Y.0049.000000T0000Z-260808T0600Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-260808T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
355 PM CHST TUE AUG 4 2026
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST
SATURDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SATURDAY
AFTERNOON...
* WHAT...LARGE BREAKING WAVES OF 7 TO 10 FEET AND DANGEROUS RIP
CURRENTS EXPECTED IN THE SURF ZONE.
* WHERE...FOR THE HIGH SURF ADVISORY, ALONG WEST AND NORTH FACING
REEFS OF THE MARIANAS. FOR THE HIGH RIP CURRENT RISK, ALONG WEST,
NORTH, AND EAST FACING REEFS.
* WHEN...UNTIL 4 PM 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...AS DOLPHIN PASSES IWO TO, THE LONG-PERIOD
SWELL DIRECTION IS EXPECTED TO SHIFT TO THE NORTHWEST AROUND
MIDWEEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
WILLIAMS
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