365
WHMY40 PGUM 031759
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
359 AM CHST SUN OCT 4 2026
MPZ002-003-040800-
/O.CON.PGUM.SU.Y.0057.000000T0000Z-261005T0600Z/
/O.CON.PGUM.CF.S.0009.000000T0000Z-261005T0600Z/
/O.CON.PGUM.RP.S.0022.000000T0000Z-261005T0600Z/
TINIAN-SAIPAN-
359 AM CHST SUN OCT 4 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST MONDAY
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 9 TO
12 FEET IN THE SURF ZONE. FOR THE HIGH RIP CURRENT RISK,
DANGEROUS RIP CURRENTS. FOR THE COASTAL FLOOD STATEMENT,
ISOLATED MINOR COASTAL FLOODING.
* WHERE...NORTH, SOUTH, AND WEST FACING REEFS OF TINIAN AND
SAIPAN.
* WHEN...UNTIL 4 PM CHST MONDAY.
* IMPACTS...SOME WATER ON LOW LYING ROADS AND PROPERTY. 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...ELEVATED SWELLS EMANATING FROM THE
SOUTHWESTERLY MONSOON SURGE AND TYPHOON CHOI-WAN (26W) TO THE
NORTH WILL ALLOW ADVISORY-LEVEL SURF AND A HIGH RISK OF RIP
CURRENTS TO CONTINUE LONGER THAN PREVIOUSLY ANTICIPATED. A
COASTAL FLOOD STATEMENT REMAINS IN EFFECT AS MINOR COASTAL
FLOODING IS EXPECTED.
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.
GUZ001-MPZ001-040800-
/O.CON.PGUM.SU.Y.0057.000000T0000Z-261005T0600Z/
/O.CON.PGUM.RP.S.0022.000000T0000Z-261005T0600Z/
GUAM-ROTA-
359 AM CHST SUN OCT 4 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST MONDAY
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 7 TO
10 FEET IN THE SURF ZONE. FOR THE HIGH RIP CURRENT RISK,
DANGEROUS RIP CURRENTS.
* WHERE...NORTH, SOUTH, AND WEST FACING REEFS OF GUAM AND ROTA.
* 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.
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.
DECOU
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