480  
SOGM40 PGUM 110700  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
457 PM CHST SUN MAY 11 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... 0.06 INCHES  
MONTH TO DATE........... 0.32 INCHES  
YEAR TO DATE............ 14.07 INCHES  
 
TODAY MAY 11 2025 SUNRISE 5:56 AM CHST SUNSET 6:39 PM CHST  
TOMORROW MAY 12 2025 SUNRISE 5:56 AM CHST SUNSET 6:39 PM CHST  
 
MOON PHASE: WAXING GIBBOUS, 98% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-05-11  
HIGH TIDE 2.3 FEET AT 8:00 PM  
 
TOMORROW 2025-05-12  
LOW TIDE 1.5 FEET AT 1:18 AM  
HIGH TIDE 2.3 FEET AT 6:30 AM  
LOW TIDE 0.1 FEET AT 1:36 PM  
HIGH TIDE 2.3 FEET AT 8:42 PM  
 
TUESDAY 2025-05-13  
LOW TIDE 1.6 FEET AT 2:00 AM  
HIGH TIDE 2.3 FEET AT 6:54 AM  
 

 
 
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