651  
SOGM40 PGUM 121620  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
216 AM CHST SUN JUL 13 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL YESTERDAY...... 1.07 INCHES  
MONTH TO DATE........... 5.47 INCHES  
YEAR TO DATE............ 34.70 INCHES  
 
TODAY JULY 13 2025 SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST  
TOMORROW JULY 14 2025 SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST  
 
MOON PHASE: WANING GIBBOUS, 97% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-07-13  
LOW TIDE 1.8 FEET AT 3:24 AM  
HIGH TIDE 2.5 FEET AT 8:05 AM  
LOW TIDE -0.2 FEET AT 3:27 PM  
HIGH TIDE 2.6 FEET AT 10:40 PM  
 
TOMORROW 2025-07-14  
LOW TIDE 1.8 FEET AT 4:08 AM  
HIGH TIDE 2.5 FEET AT 8:52 AM  
LOW TIDE 0.0 FEET AT 4:06 PM  
 
 
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