630  
WHPQ42 PGUM 130623  
CFWPQ2  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
423 PM CHST SUN SEP 13 2026  
 
FMZ023-132200-  
/O.NEW.PGUM.SU.Y.0056.260913T0623Z-260914T1900Z/  
CHUUK-  
423 PM CHST SUN SEP 13 2026  
   
..HIGH SURF ADVISORY IN EFFECT UNTIL 5 AM CHST TUESDAY
 
 
* WHAT...LARGE BREAKING WAVES OF 7 TO 9 FEET.  
 
* WHERE...SOUTH FACING REEFS OF CHUUK.  
 
* WHEN...UNTIL 5 AM CHST TUESDAY.  
 
* IMPACTS...DANGEROUS SWIMMING AND SURFING CONDITIONS AND  
LOCALIZED BEACH EROSION.  
 
* ADDITIONAL DETAILS...THE INTERACTION BETWEEN INVEST 90W, THE  
MONSOON SURGE, AND WINDS CROSSING THE EQUATOR IS PRODUCING  
HAZARDOUS SURF ALONG SOUTH-FACING REEFS. WINDS ANTICIPATED TO  
WEAKEN AS EARLY AS TUESDAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED SWIMMERS SHOULD REMAIN OUT OF THE WATER DUE TO  
DANGEROUS SURF CONDITIONS.  
 

 
 

 
 
BOWSHER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab GU Page Main Text Page