339  
WHGM70 PGUM 230712  
MWWGUM  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
512 PM CHST SAT OCT 23 2021  
 
PMZ151>154-232000-  
/O.NEW.PGUM.SC.Y.0016.211023T1400Z-211024T2000Z/  
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-  
SAIPAN COASTAL WATERS-  
512 PM CHST SAT OCT 23 2021  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM  
MONDAY...  
 
* WHAT...SOUTH WINDS 10 TO 20 BUILDING TO BETWEEN 20 AND 25 KT  
SUNDAY MORNING. OCCASIONAL GUSTS OF 30 KT. CHOPPY SEAS BETWEEN 5  
AND 8 FEET EXPECTED.  
 
* WHERE...MARIANAS COASTAL WATERS.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 6 AM MONDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...LARGEST SEAS LIKELY NEAR GUAM. REDUCED  
VISIBILITY LIKELY AT TIMES DUE TO WAVES OF HEAVY SHOWERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
BUKUNT  
 
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