100
WHMY40 PGUM 051803
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
403 AM CHST MON JUL 6 2026
GUZ001-MPZ001>003-060830-
/O.CON.PGUM.CF.W.0002.000000T0000Z-260708T0600Z/
/O.CON.PGUM.SU.W.0007.000000T0000Z-260709T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
403 AM CHST MON JUL 6 2026
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM CHST
WEDNESDAY...
..HIGH SURF WARNING REMAINS IN EFFECT UNTIL 4 PM CHST THURSDAY
* WHAT...FOR THE COASTAL FLOOD WARNING, SIGNIFICANT COASTAL
FLOODING. FOR THE HIGH SURF WARNING, DANGEROUSLY LARGE BREAKING
WAVES OF 25 TO 35 FEET IN THE SURF ZONE.
* WHERE...GUAM, ROTA, TINIAN AND SAIPAN.
* WHEN...FOR THE COASTAL FLOOD WARNING, UNTIL 4 PM CHST WEDNESDAY.
FOR THE HIGH SURF WARNING, UNTIL 4 PM CHST THURSDAY.
* IMPACTS...NUMEROUS ROADS MAY BE CLOSED. LOW LYING PROPERTY
INCLUDING HOMES, BUSINESSES, AND SOME CRITICAL INFRASTRUCTURE
WILL BE INUNDATED. SIGNIFICANT SHORELINE EROSION WILL OCCUR.
WATERS WILL BE DEADLY.
* ADDITIONAL DETAILS...DANGEROUS SURF IS EXPECTED ALONG NORTH, EAST,
AND SOUTH FACING REEFS THIS MORNING AS SUPER TYPHOON BAVI MAKES ITS
WAY ACROSS ROTA AND TYPHOON FORCE CONDITIONS CONTINUE, SPREADING TO
WEST FACING REEFS SOON AFTER. SURF WILL POTENTIALLY BUILD TO 35
FEET THIS MORNING, ESPECIALLY NEAR ROTA, AND 30 FEET ELSEWHERE AS
BAVI MAKES ITS PASSAGE THROUGH THE MARIANAS AS A CATEGORY 5 SUPER
TYPHOON. DURING THE PASSAGE OF BAVI, COASTAL INUNDATION COULD
APPROACH 12 FEET, ESPECIALLY NEAR THE STORM CENTER PASSING OVER
ROTA DUE TO THE DOME EFFECT. ONCE BAVI EXITS TO THE WEST-
NORTHWEST BY TUESDAY, COASTAL INUNDATION AND EROSION IS LIKELY TO
INCREASE ALONG WEST FACING SHORES WHILE EASING ELSEWHERE.
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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