938
WHMY40 PGUM 180907
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
707 PM CHST SUN OCT 18 2026
GUZ001-MPZ001>003-182315-
/O.EXT.PGUM.SU.Y.0058.000000T0000Z-261019T0600Z/
/O.EXT.PGUM.RP.S.0023.000000T0000Z-261019T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
707 PM CHST SUN OCT 18 2026
..HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST MONDAY
..HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY AFTERNOON
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 10 TO
14 FEET IN THE SURF ZONE. FOR THE HIGH RIP CURRENT RISK, DANGEROUS
RIP CURRENTS.
* WHERE...SOUTH AND WEST FACING REEFS OF THE MARIANAS.
* WHEN...UNTIL 4 PM CHST MONDAY.
* 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...SURF WILL REMAIN HAZARDOUS LONGER THAN
PREVIOUSLY ANTICIPATED, SO THE HIGH SURF ADVISORY AND HIGH RIP
CURRENT RISK WERE EXTENDED UNTIL MONDAY AFTERNOON. AS TYPHOON
CHAMPI CONTINUES MOVING AWAY FROM THE REGION, THE DOMINANT
SOUTHWESTERLY SWELL WILL BRING HAZARDOUS SURF AND DANGEROUS RIP
CURRENTS TO SOUTH AND WEST FACING REEFS.
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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