267  
FPMY50 PGUM 191708  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
308 AM CHST SAT DEC 20 2025  
 
GUZ001-MPZ001>003-200900-  
GUAM-ROTA-TINIAN-SAIPAN-  
308 AM 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...  
   
TODAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS. EAST WINDS 15 TO 20  
MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 30 PERCENT.    
TONIGHT
 
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 15 TO 25 MPH. LOWS AROUND 76. CHANCE OF  
SHOWERS 40 PERCENT.    
SUNDAY
 
BREEZY. PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15  
TO 25 MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY NIGHT AND MONDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST  
WINDS 15 TO 20 MPH. LOWS AROUND 78. HIGHS AROUND 87. CHANCE OF  
SHOWERS 20 PERCENT.    
MONDAY NIGHT THROUGH FRIDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
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