754  
FPMY50 PGUM 302303 AAA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...UPDATED  
NATIONAL WEATHER SERVICE TIYAN GU  
903 AM CHST MON DEC 1 2025  
 
GUZ001-MPZ001-010800-  
GUAM-ROTA-  
903 AM CHST MON DEC 1 2025  
 
UPDATED TO DECREASE SHOWERS THIS MORNING AND INCLUDE ISOLATED  
THUNDERSTORMS FOR TODAY.  
 
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG  
NORTH FACING REEFS...  
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY AFTERNOON ALONG  
NORTH AND EAST FACING REEFS...  
   
REST OF TODAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS BECOMING NUMEROUS  
IN THE AFTERNOON. ISOLATED THUNDERSTORMS. EAST WINDS 15 TO 20 MPH.  
HIGHS AROUND 86. CHANCE OF SHOWERS 60 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 79. CHANCE OF  
SHOWERS 50 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15 TO 20  
MPH. HIGHS NEAR 85. CHANCE OF SHOWERS 20 PERCENT.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
EAST WINDS 15 TO 20 MPH. LOWS AROUND 79. HIGHS NEAR 86. CHANCE OF  
SHOWERS 10 PERCENT.   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S.   
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.  
LOWS IN THE UPPER 70S.   
FRIDAY
 
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS IN  
THE MID 80S.   
FRIDAY NIGHT THROUGH SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
MPZ002-003-010800-  
TINIAN-SAIPAN-  
903 AM CHST MON DEC 1 2025  
 
UPDATED TO INCLUDE ISOLATED THUNDERSTORMS TODAY.  
 
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG  
NORTH FACING REEFS...  
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY AFTERNOON ALONG  
NORTH AND EAST FACING REEFS...  
   
REST OF TODAY
 
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 15 TO 20 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 50 PERCENT.    
TONIGHT
 
BREEZY. MOSTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS  
15 TO 20 MPH. LOWS AROUND 80. CHANCE OF SHOWERS 20 PERCENT.   
TUESDAY
 
BREEZY. MOSTLY SUNNY WITH ISOLATED LIGHT SHOWERS. EAST  
WINDS 15 TO 20 MPH. HIGHS NEAR 86. CHANCE OF SHOWERS 20 PERCENT.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
SOUTHEAST WINDS 15 TO 20 MPH. LOWS AROUND 79. HIGHS NEAR 87. CHANCE  
OF SHOWERS 20 PERCENT.   
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S.   
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 70S.   
FRIDAY THROUGH SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.  
 

 
 
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