861  
SOGM40 PGUM 121615  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
212 AM CHST WED AUG 13 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL YESTERDAY...... 0.03 INCHES  
MONTH TO DATE........... 5.76 INCHES  
YEAR TO DATE............ 47.98 INCHES  
 
TODAY AUGUST 13 2025 SUNRISE 6:08 AM CHST SUNSET 6:43 PM CHST  
TOMORROW AUGUST 14 2025 SUNRISE 6:08 AM CHST SUNSET 6:43 PM CHST  
 
MOON PHASE: WANING GIBBOUS, 87% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-08-13  
LOW TIDE 1.0 FEET AT 4:22 AM  
HIGH TIDE 2.5 FEET AT 9:55 AM  
LOW TIDE 0.6 FEET AT 4:23 PM  
HIGH TIDE 2.6 FEET AT 10:40 PM  
 
TOMORROW 2025-08-14  
LOW TIDE 0.8 FEET AT 5:11 AM  
HIGH TIDE 2.3 FEET AT 11:02 AM  
LOW TIDE 0.9 FEET AT 5:05 PM  
 
 
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