408
WHMY40 PGUM 010721
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
521 PM CHST SAT AUG 1 2026
GUZ001-MPZ001>003-012130-
/O.NEW.PGUM.RP.S.0019.260802T0600Z-260808T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
521 PM CHST SAT AUG 1 2026
...HIGH RIP CURRENT RISK IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SATURDAY AFTERNOON...
* WHAT...DANGEROUS RIP CURRENTS EXPECTED.
* WHERE...EAST FACING REEFS OF THE MARIANAS.
* WHEN...FROM SUNDAY AFTERNOON THROUGH SATURDAY AFTERNOON.
* IMPACTS...RIP CURRENTS CAN SWEEP EVEN THE BEST SWIMMERS AWAY
FROM SHORE INTO DEEPER WATER.
* ADDITIONAL DETAILS...LONG-PERIOD EAST TO NORTHEAST SWELL,
EMANATING FROM DISTANT TYPHOON DOLPHIN, IS EXPECTED TO DEVELOP A
HIGH RISK OF RIP CURRENTS ALONG EAST-FACING REEFS OF THE
MARIANAS BEGINNING SUNDAY AFTERNOON. AS DOLPHIN PASSES THE FAR
NORTHERN CNMI, THE LONG-PERIOD SWELL DIRECTION WILL LIKELY
SHIFT NORTH EARLY NEXT WEEK, AND THEN NORTHWEST. AS IT DOES SO,
A HIGH RISK OF RIP CURRENTS, AND HAZARDOUS SURF, IS EXPECTED TO
DEVELOP ALONG NORTH, THEN WEST FACING REEFS NEXT WEEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
DECOU
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