845  
WHGM70 PGUM 131850  
MWWGUM  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
450 AM CHST SUN DEC 14 2025  
 
PMZ151>154-140800-  
/O.NEW.PGUM.SC.Y.0056.251213T2000Z-251214T0800Z/  
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-  
SAIPAN COASTAL WATERS-  
450 AM CHST SUN DEC 14 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CHST THIS EVENING
 
 
* WHAT...EAST WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS  
8 TO 10 FEET EXPECTED.  
 
* WHERE...MARIANAS COASTAL WATERS.  
 
* WHEN...UNTIL 6 PM CHST THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...A FRAGMENT OF THE SHEAR LINE THAT PREVIOUSLY  
PASSED JUST NORTH OF US WILL HIT GUAM AND ROTA TODAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
STANKO  
 
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