670  
FPMY50 PGUM 110133 AAA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...UPDATED  
NATIONAL WEATHER SERVICE TIYAN GU  
1133 AM CHST SAT JUL 11 2026  
 
GUZ001-MPZ001>003-110830-  
GUAM-ROTA-TINIAN-SAIPAN-  
1133 AM CHST SAT JUL 11 2026  
 
UPDATED TO INCREASE SHOWER COVERAGE FOR REST OF TODAY.  
 
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 AM CHST SUNDAY ALONG SOUTH,  
WEST AND NORTH FACING REEFS...  
...HIGH RISK OF RIP CURRENTS THROUGH LATE TONIGHT ALONG SOUTH, WEST  
AND NORTH FACING REEFS...  
   
REST OF TODAY  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. NORTHEAST WINDS 15 TO 20 MPH. HIGHS AROUND 87. CHANCE  
OF SHOWERS 30 PERCENT.   
TONIGHT  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOWS AROUND 78. CHANCE OF  
SHOWERS 30 PERCENT.   
SUNDAY  
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. HIGHS AROUND 87. CHANCE OF  
SHOWERS 40 PERCENT.   
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. HIGHS  
AROUND 87. LOWS AROUND 79. CHANCE OF SHOWERS 30 PERCENT.   
MONDAY THROUGH TUESDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS AROUND 87. LOWS IN THE UPPER  
70S. CHANCE OF SHOWERS 30 PERCENT.   
TUESDAY NIGHT THROUGH THURSDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE  
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER  
70S. HIGHS IN THE MID 80S. CHANCE OF SHOWERS 40 PERCENT.   
FRIDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. HIGHS IN THE MID 80S. CHANCE OF SHOWERS 50  
PERCENT.  
 
 
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