245  
WHGM70 PGUM 221844  
MWWGUM  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
444 AM CHST SUN AUG 23 2026  
 
PMZ151>154-230700-  
/O.CON.PGUM.SC.Y.0062.000000T0000Z-260823T0700Z/  
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-  
SAIPAN COASTAL WATERS-  
444 AM CHST SUN AUG 23 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST THIS  
AFTERNOON...  
 
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 7 TO 10 FEET.  
 
* WHERE...GUAM AND ROTA COASTAL WATERS.  
 
* WHEN...UNTIL 5 PM CHST THIS AFTERNOON.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...FRESH TO LOCALLY STRONG SOUTHWEST WINDS  
WILL CONTINUE TODAY AS TYPHOON SAUDEL CONTINUES TO MOVE AWAY.  
SEAS UP TO 10 FEET WILL BE POSSIBLE THROUGHOUT THE COASTAL  
WATERS TODAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
STANKO  
 
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