849  
WHPQ42 PGUM 081715  
CFWPQ2  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
0259 AM CHST SAT MAY 09 2026WHPQ42 PGUM 081041  
CFWPQ2  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
315 AM CHST SAT MAY 9 2026  
 
FMZ037-090700-  
/O.CON.PGUM.SU.W.0006.000000T0000Z-260508T2300Z/  
/O.CON.PGUM.CF.Y.0003.000000T0000Z-260508T2300Z/  
/O.CON.PGUM.SU.Y.0043.260508T2300Z-260509T0700Z/  
/O.CON.PGUM.CF.S.0006.260508T2300Z-260509T0700Z/  
YAP-  
315 AM CHST SAT MAY 9 2026  
   
..HIGH SURF WARNING REMAINS IN EFFECT UNTIL 9 AM CHST TODAY
 
 
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 9 AM CHST  
TODAY...  
...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 9 AM TO 5 PM CHST  
TODAY...  
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT FROM THIS MORNING  
THROUGH THIS AFTERNOON...  
 
* WHAT...DANGEROUSLY LARGE BREAKING WAVES OF 12 TO 16 FT,  
DECREASING TO 9 TO 13 FT BY THIS AFTERNOON. MINOR COASTAL  
FLOODING EXPECTED.  
 
* WHERE...NORTH AND EAST FACING REEFS AND SHORELINES OF YAP.  
 
* WHEN...FOR THE HIGH SURF WARNING AND COASTAL FLOOD ADVISORY,  
UNTIL 9 AM CHST THIS MORNING. FOR THE HIGH SURF ADVISORY AND THE  
COASTAL FLOOD STATEMENT, FROM 9 AM CHST THIS MORNING THROUGH  
5 PM CHST THIS 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...TROPICAL STORM HAGUPIT (05W) IS CURRENTLY  
FORECAST TO MOVE THROUGH OR JUST SOUTH OF YAP PROPER THIS MORNING.  
BUILDING NORTHEAST TO EAST SWELL IS EXPECTED TO PRODUCE DANGEROUS  
SURF OF UP TO 16 FT ALONG NORTH AND EAST FACING REEFS THROUGH THIS  
MORNING, THEN IS EXPECTED TO FALL BELOW THE 15 FOOT THRESHOLD, BUT  
STILL REMAIN HAZARDOUS THROUGH AT LEAST LATE THIS AFTERNOON. MINOR  
COASTAL INUNDATION AND SIGNIFICANT BEACH EROSION IS EXPECTED ALONG  
NORTHERN AND EASTERN SHORELINES. AS HAGUPIT MOVES WEST OF YAP THIS  
AFTERNOON, A BROAD AREA OF SOUTHERLY WINDS IN ITS WAKE MAY BOOST  
SURF ALONG SOUTH FACING REEFS THROUGH TONIGHT OR SUNDAY, BUT SURF  
IS NOT EXPECTED TO REACH HAZARDOUS LEVELS.  
 
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.  
 

 
 

 
 
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