458  
FPMY50 PGUM 200516  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
316 PM CHST SAT DEC 20 2025  
 
GUZ001-MPZ001>003-202100-  
GUAM-ROTA-TINIAN-SAIPAN-  
316 PM CHST SAT DEC 20 2025  
 
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM CHST MONDAY ALONG NORTH  
FACING REEFS...  
...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE SUNDAY NIGHT ALONG  
NORTH AND EAST FACING REEFS...  
   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 15 TO 20 MPH. LOWS AROUND 79. CHANCE OF  
SHOWERS 30 PERCENT.    
SUNDAY THROUGH TUESDAY  
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST  
WINDS 15 TO 20 MPH. HIGHS AROUND 86. LOWS AROUND 79.CHANCE OF SHOWERS  
20 PERCENT.    
TUESDAY NIGHT THROUGH SATURDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 
 
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