440  
SOGM40 PGUM 090650  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
449 PM CHST TUE SEP 09 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... 0.05 INCHES  
MONTH TO DATE........... 4.85 INCHES  
YEAR TO DATE............ 60.13 INCHES  
 
TODAY SEPTEMBER 9 2025 SUNRISE 6:10 AM CHST SUNSET 6:26 PM CHST  
TOMORROW SEPTEMBER 10 2025 SUNRISE 6:10 AM CHST SUNSET 6:26 PM CHST  
 
MOON PHASE: WANING GIBBOUS, 98% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2025-09-09  
HIGH TIDE 2.6 FEET AT 8:46 PM  
 
TOMORROW 2025-09-10  
LOW TIDE 0.5 FEET AT 3:04 AM  
HIGH TIDE 2.6 FEET AT 9:06 AM  
LOW TIDE 0.7 FEET AT 3:19 PM  
HIGH TIDE 2.6 FEET AT 9:13 PM  
 
THURSDAY 2025-09-11  
LOW TIDE 0.3 FEET AT 3:50 AM  
HIGH TIDE 2.5 FEET AT 10:07 AM  
 
 
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