884  
SOGM40 PGUM 180630  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
428 PM CHST FRI JUL 18 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... 0.04 INCHES  
MONTH TO DATE........... 5.82 INCHES  
YEAR TO DATE............ 35.05 INCHES  
 
TODAY JULY 18 2025 SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST  
TOMORROW JULY 19 2025 SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST  
 
MOON PHASE: WANING CRESCENT, 49% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-07-18  
LOW TIDE 1.3 FEET AT 7:06 PM  
 
TOMORROW 2025-07-19  
HIGH TIDE 2.7 FEET AT 1:20 AM  
LOW TIDE 0.4 FEET AT 8:40 AM  
HIGH TIDE 2.1 FEET AT 3:29 PM  
LOW TIDE 1.6 FEET AT 8:09 PM  
 
SUNDAY 2025-07-20  
HIGH TIDE 2.7 FEET AT 2:01 AM  
LOW TIDE 0.1 FEET AT 9:41 AM  
 

 
 
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