516  
WHMY40 PGUM 281756  
CFWGUM  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
356 AM CHST TUE JUL 29 2025  
 
GUZ001-MPZ001>003-290800-  
/O.CON.PGUM.SU.Y.0026.000000T0000Z-250729T1900Z/  
/O.CON.PGUM.RP.S.0013.000000T0000Z-250729T1900Z/  
GUAM-ROTA-TINIAN-SAIPAN-  
356 AM CHST TUE JUL 29 2025  
   
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 AM CHST WEDNESDAY  
   
..HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT  
 
* WHAT...LARGE BREAKING WAVES OF 7 TO 9 FEET AND DANGEROUS RIP  
CURRENTS.  
 
* WHERE...WEST AND NORTH FACING REEFS OF THE MARIANAS.  
 
* WHEN...UNTIL 5 AM CHST WEDNESDAY.  
 
* 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...  
 
INEXPERIENCED SWIMMERS SHOULD REMAIN OUT OF THE WATER DUE TO  
DANGEROUS SURF CONDITIONS.  
 
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.  
 
 
 
 
 
MONTVILA  
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