522
WHMY40 PGUM 071919 AAA
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TIYAN GU
519 AM CHST WED JUL 8 2026
GUZ001-MPZ001>003-080800-
/O.COR.PGUM.RP.S.0018.260707T1916Z-260710T0600Z/
/O.COR.PGUM.CF.Y.0004.000000T0000Z-260708T0600Z/
/O.COR.PGUM.SU.W.0007.000000T0000Z-260709T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
519 AM CHST WED JUL 8 2026
UPDATED FOR THE WHERE ADDITIONS AND ADDITIONAL DETAILS.
..HIGH RIP CURRENT RISK IN EFFECT THROUGH FRIDAY AFTERNOON
..COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 4 PM CHST WEDNESDAY
..HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 PM CHST THURSDAY
* WHAT...DANGEROUSLY LARGE BREAKING WAVES UP TO 16 FEET. MINOR
COASTAL FLOODING EXPECTED. LIFE-THREATENING RIP CURRENTS.
* WHERE...FOR THE COASTAL FLOOD ADVISORY AND HIGH SURF WARNING, ALONG
SOUTH AND WEST FACING SHORES OF THE MARIANAS. FOR THE HIGH RIP
CURRENT RISK, ALONG SOUTH, WEST AND NORTH FACING SHORES OF THE
MARIANAS.
* WHEN...FOR THE HIGH SURF WARNING, UNTIL 4 PM CHST THURSDAY. FOR THE
COASTAL FLOOD ADVISORY, UNTIL 4 PM CHST WEDNESDAY. FOR THE HIGH
RIP CURRENT RISK, THROUGH FRIDAY AFTERNOON.
* 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...TYPHOON BAVI (09W) AND THE TRAILING MONSOON
SURGE WILL KEEP PRODUCING SIGNIFICANT SWELLS THAT WILL CONTINUE TO
PUMMEL THE MARIANAS. DANGEROUS SURF HEIGHTS OF UP TO 16 FT AND
COASTAL INUNDATION OF 1 TO 2 FT CAN BE EXPECTED NOW THROUGH LATE
THIS AFTERNOON, ESPECIALLY ALONG WEST-FACING SHORES. AS BAVI
CONTINUES TO PULL AWAY AND THE LEADING MONSOON SURGE WEAKENS,
SWELLS AND ASSOCIATED SURF WILL GRADUALLY DIMINISH, POTENTIALLY
DROPPING BELOW DANGEROUS LEVELS BY THURSDAY. EVEN SO, SURF WILL
REMAIN ELEVATED ENOUGH TO CONTINUE TO PRODUCE HIGH RISK OF RIP
CURRENTS ALONG SOUTH, WEST AND NORTH FACING REEFS THE NEXT FEW
DAYS, WHILE DROPPING TO MODERATE ALONG NORTH REEFS THURSDAY.
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.
MONTVILA
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