265  
SOGM40 PGUM 151620  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
217 AM CHST THU OCT 16 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL YESTERDAY...... 7.40 INCHES  
MONTH TO DATE........... 10.83 INCHES  
YEAR TO DATE............ 78.45 INCHES  
 
TODAY OCTOBER 16 2025 SUNRISE 6:12 AM CHST SUNSET 6:01 PM CHST  
TOMORROW OCTOBER 17 2025 SUNRISE 6:12 AM CHST SUNSET 6:01 PM CHST  
 
MOON PHASE: WANING CRESCENT, 31% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-10-16  
HIGH TIDE 1.8 FEET AT 2:30 AM  
LOW TIDE 0.1 FEET AT 9:48 AM  
HIGH TIDE 2.2 FEET AT 5:11 PM  
LOW TIDE 1.1 FEET AT 11:05 PM  
 
TOMORROW 2025-10-17  
HIGH TIDE 1.8 FEET AT 4:04 AM  
LOW TIDE 0.2 FEET AT 10:46 AM  
HIGH TIDE 2.3 FEET AT 5:43 PM  
 

 
 
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