757
WHMY40 PGUM 061719
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
319 AM CHST TUE JUL 7 2026
GUZ001-MPZ001>003-071000-
/O.CAN.PGUM.CF.W.0002.000000T0000Z-260708T0600Z/
/O.NEW.PGUM.CF.Y.0004.260706T1719Z-260707T2000Z/
/O.CON.PGUM.SU.W.0007.000000T0000Z-260709T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
319 AM CHST TUE JUL 7 2026
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 AM CHST WEDNESDAY
..HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 PM CHST THURSDAY
...COASTAL FLOOD WARNING IS CANCELLED...
* WHAT...DANGEROUSLY LARGE BREAKING WAVES UP TO 20 FEET,
DECREASING TO 10 TO 15 FEET TONIGHT. MINOR COASTAL FLOODING
EXPECTED.
* WHERE...GUAM, ROTA, TINIAN AND SAIPAN.
* WHEN...FOR THE HIGH SURF WARNING, UNTIL 4 PM CHST THURSDAY. FOR
THE COASTAL FLOOD ADVISORY, UNTIL 6 AM CHST WEDNESDAY.
* IMPACTS...FLOODING OF LOTS, PARKS, AND ROADS WITH ONLY ISOLATED
ROAD CLOSURES EXPECTED. BREAKING WAVES CAN SWEEP PEOPLE OFF
JETTIES AND DOCKS, AND INTO DANGEROUS SEAS. LIFE-THREATENING
SWIMMING CONDITIONS AND SIGNIFICANT BEACH EROSION CAN BE
EXPECTED.
* ADDITIONAL DETAILS...SUPER TYPHOON BAVI (09W) AND THE TRAILING
MONSOON SURGE WILL CONTINUE TO PRODUCE SIGNIFICANT SWELLS
TOWARDS THE MARIANAS. DANGEROUS SURF HEIGHTS OF UP TO 20 FT AND
COASTAL INUNDATION OF 1 TO 3 FT CAN BE EXPECTED THROUGH AT LEAST
THIS AFTERNOON, ESPECIALLY ALONG WEST- AND SOUTH-FACING SHORES.
THEN, SURF WILL GRADUALLY DIMINISH AS BAVI MOVES FARTHER AWAY,
WHICH MAY WARRANT THE HIGH SURF WARNING TO BE DOWNGRADED TO AN
ADVISORY THIS AFTERNOON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EVERYONE SHOULD REMAIN OUT OF THE WATER DUE TO LIFE-THREATENING
SURF CONDITIONS. STAY OFF OF JETTIES, PIERS, AND OTHER WATERSIDE
INFRASTRUCTURE.
IC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page