122  
WHGM70 PGUM 201811  
MWWGUM  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE TIYAN GU  
411 AM CHST FRI AUG 21 2026  
 
PMZ153-154-210815-  
/O.CON.PGUM.TR.A.4017.000000T0000Z-000000T0000Z/  
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-  
411 AM CHST FRI AUG 21 2026  
   
..TROPICAL STORM WATCH REMAINS IN EFFECT
 
 
* WHAT...TROPICAL STORM CONDITIONS POSSIBLE.  
 
* WHERE...TINIAN AND SAIPAN COASTAL WATERS.  
 
* WHEN...BEGINNING LATE TONIGHT.  
 
* IMPACTS...VERY STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH  
COULD CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...TROPICAL STORM SAUDEL (17W) IS MAKING ITS  
APPROACH TOWARD THE MARIANAS, WITH A STORM TRACK ACROSS THE FAR  
NORTHERN MARIANAS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TROPICAL STORM WATCH MEANS SUSTAINED WINDS OF 34 TO 63 KT OR  
39 TO 73 MPH ARE POSSIBLE DUE TO A TROPICAL STORM WITHIN  
48 HOURS.  
 

 
 

 
 
JAW  
 
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