496  
WHGM72 PGUM 121807  
MWWPQ2  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
407 AM CHST MON APR 13 2026  
 
PMZ172-130815-  
/O.CON.PGUM.SC.Y.0038.000000T0000Z-260413T1900Z/  
CHUUK COASTAL WATERS-  
407 AM CHST MON APR 13 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM CHST  
TUESDAY...  
 
* WHAT...SOUTH WINDS 15 TO 25 KT. OCCASIONAL GUSTS 35 KT THROUGH  
TO NIGHT. SEAS 11 TO 13 FEET, DECREASING TO 10 TO 12 FEET MONDAY  
NIGHT.  
 
* WHERE...CHUUK COASTAL WATERS.  
 
* WHEN...UNTIL 5 AM CHST TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...SUPER TYPHOON SINLAKU IS ABOUT 305 MILES NORTH-  
NORTHWEST OF CHUUK, AND CONTINUES TO MOVE NORTH-NORTHWEST AWAY  
FROM CHUUK LAGOON. SEAS AND WINDS WILL REMAIN HAZARDOUS TO SMALL  
CRAFT OPERATIONS THROUGH AT LEAST TUESDAY MORNING, AS SINLAKU  
CONTINUES TO MOVE AWAY THE REGION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
WILLIAMS  
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