649  
SOGM40 PGUM 081645  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
223 AM CHST TUE SEP 09 2025  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL YESTERDAY...... 0.19 INCHES  
MONTH TO DATE........... 4.80 INCHES  
YEAR TO DATE............ 60.08 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, 99% 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 8:10 AM  
LOW TIDE 0.4 FEET AT 2:37 PM  
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  
 

 
 
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