586  
FPMY50 PGUM 190104 AAA  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS...UPDATED  
NATIONAL WEATHER SERVICE TIYAN GU  
1104 AM CHST FRI JUN 19 2026  
 
GUZ001-190830-  
GUAM-  
1104 AM CHST FRI JUN 19 2026  
 
UPDATED TO INCLUDE HEADLINE FOR HIGH RISK OF RIP CURRENTS.  
   
..WIND ADVISORY IN EFFECT UNTIL 5 PM CHST THIS AFTERNOON
 
 
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 5 PM CHST THIS AFTERNOON FOR  
EAST-FACING REEFS...  
   
REST OF TODAY
 
BREEZY. MOSTLY CLOUDY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 15 TO 25 MPH. GUSTS TO 40  
MPH. HIGHS AROUND 87. CHANCE OF SHOWERS 50 PERCENT.   
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. SOUTHEAST WINDS  
10 TO 15 MPH. LOWS AROUND 77. CHANCE OF SHOWERS 30 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTH WINDS 10 TO  
15 MPH. HIGHS AROUND 89. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LIGHT AND  
VARIABLE WINDS. LOWS AROUND 77. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN A 30 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. LIGHT AND VARIABLE WINDS. HIGHS  
AROUND 88.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
MONDAY
 
PARTLY CLOUDY. A SLIGHT 30 PERCENT CHANCE OF SHOWERS IN  
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE  
UPPER 80S.    
MONDAY NIGHT THROUGH WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
THURSDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S.  
 

 
 
MPZ001>003-190830-  
ROTA-TINIAN-SAIPAN-  
1104 AM CHST FRI JUN 19 2026  
   
REST OF TODAY
 
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 15 TO 20 MPH. HIGHS AROUND  
86. CHANCE OF SHOWERS 50 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOWS AROUND 79. CHANCE  
OF SHOWERS 30 PERCENT.    
SATURDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTHEAST WINDS  
10 TO 15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS AND  
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOWS AROUND 79. CHANCE OF  
SHOWERS 20 PERCENT.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
MORNING, THEN A 30 PERCENT CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. LIGHT AND VARIABLE WINDS. HIGHS  
AROUND 88.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.    
THURSDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S.  
 

 
 
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