882  
SOGM40 PGUM 170630  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
427 PM CHST THU JUL 17 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... NONE  
MONTH TO DATE........... 5.68 INCHES  
YEAR TO DATE............ 34.91 INCHES  
 
TODAY JULY 17 2025 SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST  
TOMORROW JULY 18 2025 SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST  
 
MOON PHASE: WANING GIBBOUS, 61% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-07-17  
LOW TIDE 0.9 FEET AT 6:14 PM  
 
TOMORROW 2025-07-18  
HIGH TIDE 2.7 FEET AT 12:44 AM  
LOW TIDE 0.8 FEET AT 7:40 AM  
HIGH TIDE 2.1 FEET AT 1:41 PM  
LOW TIDE 1.3 FEET AT 7:06 PM  
 
SATURDAY 2025-07-19  
HIGH TIDE 2.7 FEET AT 1:20 AM  
LOW TIDE 0.4 FEET AT 8:40 AM  
 
 
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