098  
FPMY50 PGUM 100637  
ZFPGUM  
 
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS  
NATIONAL WEATHER SERVICE TIYAN GU  
437 PM CHST FRI APR 10 2026  
 
GUZ001-MPZ001-102000-  
GUAM-ROTA-  
437 PM CHST FRI APR 10 2026  
 
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM CHST SUNDAY ALONG  
NORTH AND EAST FACING REEFS...  
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON  
ALONG NORTH AND EAST FACING REEFS...  
   
TONIGHT
 
BREEZY. PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST  
WINDS 20 TO 25 MPH. LOWS AROUND 77. CHANCE OF SHOWERS 10 PERCENT.    
SATURDAY AND SATURDAY NIGHT
 
WINDY. PARTLY CLOUDY WITH ISOLATED  
SHOWERS. NORTHEAST WINDS 25 TO 35 MPH. HIGHS AROUND 87. LOWS AROUND  
77. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
VERY WINDY. NORTHEAST WINDS 30 TO 40 MPH.  
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
HIGHS AROUND 85. LOWS AROUND 79. CHANCE OF SHOWERS 40 PERCENT.   
MONDAY AND MONDAY NIGHT
 
TROPICAL STORM CONDITIONS EXPECTED.  
TYPHOON CONDITIONS POSSIBLE NEAR MIDNIGHT. MOSTLY CLOUDY. SCATTERED  
SHOWERS BECOMING NUMEROUS SHOWERS BY MIDNIGHT. ISOLATED  
THUNDERSTORMS. HIGHS AROUND 84. LOWS AROUND 80. CHANCE OF SHOWERS 70  
PERCENT.   
TUESDAY
 
TYPHOON CONDITIONS EXPECTED. CLOUDY. HEAVY SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE MORNING, THEN TORRENTIAL RAIN AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.  
CHANCE OF SHOWERS NEAR 100 PERCENT.    
TUESDAY NIGHT
 
TYPHOON CONDITIONS POSSIBLE. CLOUDY. HEAVY SHOWERS  
AND SCATTERED THUNDERSTORMS BECOMING NUMEROUS HEAVY SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 70S. CHANCE  
OF SHOWERS NEAR 100 PERCENT.    
WEDNESDAY
 
TROPICAL STORM CONDITIONS EXPECTED. MOSTLY CLOUDY WITH  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. HIGHS IN THE MID 80S.  
CHANCE OF SHOWERS 40 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S.    
THURSDAY
 
BREEZY. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF  
SHOWERS. HIGHS IN THE MID 80S.    
THURSDAY NIGHT
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS. LOWS IN THE UPPER 70S.    
FRIDAY
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.  
 

 
 
MPZ002-003-102000-  
TINIAN-SAIPAN-  
437 PM CHST FRI APR 10 2026  
 
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM CHST SUNDAY ALONG  
NORTH AND EAST FACING REEFS...  
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON  
ALONG NORTH AND EAST FACING REEFS...  
   
TONIGHT
 
BREEZY. PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST  
WINDS 20 TO 25 MPH. LOWS AROUND 78. CHANCE OF SHOWERS 10 PERCENT.    
SATURDAY AND SATURDAY NIGHT
 
WINDY. PARTLY CLOUDY WITH ISOLATED  
SHOWERS. NORTHEAST WINDS 25 TO 35 MPH. HIGHS AROUND 86. LOWS AROUND  
78. CHANCE OF SHOWERS 20 PERCENT.    
SUNDAY THROUGH MONDAY
 
WINDY. MOSTLY CLOUDY WITH SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS. NORTHEAST WINDS 25 TO 35 MPH. HIGHS  
AROUND 85. LOWS AROUND 78. CHANCE OF SHOWERS 40 PERCENT.    
MONDAY NIGHT AND TUESDAY
 
TROPICAL STORM CONDITIONS EXPECTED.  
MOSTLY CLOUDY WITH NUMEROUS LOCALLY HEAVY SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S. CHANCE  
OF SHOWERS 60 PERCENT.   
TUESDAY NIGHT
 
TROPICAL STORM CONDITIONS EXPECTED. CLOUDY WITH  
NUMEROUS HEAVY SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER  
70S. CHANCE OF SHOWERS 40 PERCENT.    
WEDNESDAY AND WEDNESDAY NIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE.  
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. HIGHS  
IN THE LOWER 80S. LOWS IN THE UPPER 70S. CHANCE OF SHOWERS 40  
PERCENT.    
THURSDAY
 
WINDY. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS IN THE MID 80S.    
THURSDAY NIGHT AND FRIDAY
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.  
 

 
 
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