980
WHMY40 PGUM 301818
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
418 AM CHST THU OCT 1 2026
MPZ002-003-010830-
/O.NEW.PGUM.SU.Y.0057.261001T1800Z-261004T1800Z/
/O.NEW.PGUM.CF.A.0005.260930T1818Z-261005T1200Z/
/O.NEW.PGUM.RP.S.0022.261001T1800Z-261004T1800Z/
TINIAN-SAIPAN-
418 AM CHST THU OCT 1 2026
..COASTAL FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING
...HIGH SURF ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM CHST
MONDAY...
...HIGH RIP CURRENT RISK IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 12 TO
14 FEET EXPECTED IN THE SURF ZONE. FOR THE COASTAL FLOOD WATCH,
SIGNIFICANT COASTAL FLOODING. FOR THE HIGH RIP CURRENT RISK,
DANGEROUS RIP CURRENTS EXPECTED.
* WHERE...NORTH AND WEST FACING REEFS OF TINIAN AND SAIPAN.
* WHEN...FOR THE HIGH SURF ADVISORY, FROM 4 AM FRIDAY TO 4 AM
CHST MONDAY. FOR THE COASTAL FLOOD WATCH, THROUGH MONDAY EVENING.
FOR THE HIGH RIP CURRENT RISK, FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT.
* IMPACTS...NUMEROUS ROADS MAY BE CLOSED. LOW LYING PROPERTY
INCLUDING HOMES, BUSINESSES, AND SOME CRITICAL INFRASTRUCTURE MAY
BE INUNDATED. SOME SHORELINE EROSION MAY OCCUR. 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.
GUZ001-MPZ001-010830-
/O.NEW.PGUM.SU.Y.0057.261001T1800Z-261004T1800Z/
/O.NEW.PGUM.RP.S.0022.261001T1800Z-261004T1800Z/
GUAM-ROTA-
418 AM CHST THU OCT 1 2026
...HIGH SURF ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM CHST
MONDAY...
...HIGH RIP CURRENT RISK IN EFFECT FROM LATE TONIGHT THROUGH LATE
SUNDAY NIGHT...
* WHAT...FOR THE HIGH SURF ADVISORY, LARGE BREAKING WAVES OF 9 TO
13 FEET EXPECTED IN THE SURF ZONE. FOR THE HIGH RIP CURRENT RISK,
DANGEROUS RIP CURRENTS EXPECTED.
* WHERE...NORTH, WEST, AND SOUTH FACING REEFS OF GUAM AND ROTA.
* WHEN...FOR THE HIGH SURF ADVISORY, FROM 4 AM FRIDAY TO 4 AM
CHST MONDAY. FOR THE HIGH RIP CURRENT RISK, FROM LATE TONIGHT
THROUGH LATE SUNDAY NIGHT.
* 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.
WILLIAMS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page