625  
FPMY50 PGUM 181810  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
410 AM CHST FRI DEC 19 2025  
 
GUZ001-MPZ001>003-190915-  
GUAM-ROTA-TINIAN-SAIPAN-  
410 AM CHST FRI DEC 19 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 CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 10 TO  
15 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 10 TO  
15 MPH. LOWS AROUND 79. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY  
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS. EAST WINDS  
15 TO 25 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS. EAST WINDS  
15 TO 20 MPH. LOWS AROUND 79. CHANCE OF SHOWERS 30 PERCENT.    
SUNDAY  
BREEZY. PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS  
20 TO 25 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY NIGHT AND MONDAY  
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.    
MONDAY NIGHT THROUGH CHRISTMAS DAY  
PARTLY CLOUDY WITH A 20  
PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID  
80S.  
 
 
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