922
WHMY40 PGUM 141841
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
441 AM CHST SUN MAR 15 2026
GUZ001-MPZ001>003-150900-
/O.CON.PGUM.SU.Y.0026.000000T0000Z-260316T0600Z/
/O.CON.PGUM.RP.S.0009.000000T0000Z-260316T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
441 AM CHST SUN MAR 15 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST MONDAY
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...
* WHAT...LARGE BREAKING WAVES OF 9 TO 12 FEET, UP TO 14 FEET
ALONG NORTH FACING REEFS. DANGEROUS RIP CURRENTS.
* WHERE...NORTH AND EAST FACING REEFS OF THE MARIANAS.
* WHEN...FOR THE HIGH SURF ADVISORY, UNTIL 4 PM CHST MONDAY. FOR
THE HIGH RIP CURRENT RISK, THROUGH MONDAY AFTERNOON.
* 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...STRONG WINDS AROUND A STRONG LOW PRESSURE
SYSTEM NEAR JAPAN AND A KONA LOW THAT IS NORTHWEST OF HAWAI'I
HAVE BEEN PRODUCING LONG-PERIOD NNW AND NE SWELLS TO THE REGION.
HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS ARE EXPECTED
ALONG NORTH AND EAST FACING REEFS. SURF IS EXPECTED TO BUILD
NEAR 15 FEET ALONG NORTH FACING REEFS, WHICH MAY POSSIBLY
WARRANT A HIGH SURF WARNING. AS NNW SWELL BUILDS OVER THE COMING
DAYS, IT CAN POTENTIALLY BUILD TO HAZARDOUS LEVELS OF 9 FEET
ALONG WEST FACING REEFS, LIKELY NEEDING THE ADVISORY TO BE
EXTENDED.
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.
IC
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