688  
FPMY50 PGUM 182209 CCA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...CORRECTED  
NATIONAL WEATHER SERVICE TIYAN GU  
809 AM CHST TUE MAY 19 2026  
 
GUZ001-MPZ001>003-190815-  
GUAM-ROTA-TINIAN-SAIPAN-  
809 AM CHST TUE MAY 19 2026  
 
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS AFTERNOON ALONG  
EAST FACING REEFS...  
 
CORRECTED TO RESTORE PREVIOUS FORECAST BEYOND TONIGHT PERIOD.  
   
TODAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15 TO 20  
MPH. GUSTS TO 30 MPH DURING THE AFTERNOON. HIGHS AROUND 88. CHANCE  
OF SHOWERS 20 PERCENT.   
TONIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. EAST WINDS 15 TO 20  
MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.    
WEDNESDAY THROUGH THURSDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS.  
EAST WINDS 15 TO 20 MPH. HIGHS AROUND 87. LOWS AROUND 78. CHANCE OF  
SHOWERS 20 PERCENT.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
PARTLY CLOUDY WITH A 20  
PERCENT CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER  
80S.   
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.    
SATURDAY
 
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS. HIGHS  
IN THE MID 80S.   
SATURDAY NIGHT THROUGH MEMORIAL DAY
 
MOSTLY CLOUDY WITH A 30  
PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 

 
 
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