212  
SOGM40 PGUM 111645  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
244 AM CHST SAT SEP 12 2026  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL YESTERDAY...... 0.02 INCHES  
MONTH TO DATE........... 7.70 INCHES  
YEAR TO DATE............ 99.73 INCHES  
 
TODAY SEPTEMBER 12 2026 SUNRISE 6:10 AM CHST SUNSET 6:25 PM CHST  
TOMORROW SEPTEMBER 13 2026 SUNRISE 6:10 AM CHST SUNSET 6:24 PM CHST  
 
MOON PHASE: NEW MOON, 0% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2026-09-12  
HIGH TIDE 2.5 FEET AT 7:58 AM  
LOW TIDE 0.4 FEET AT 2:27 PM  
HIGH TIDE 2.5 FEET AT 8:31 PM  
 
TOMORROW 2026-09-13  
LOW TIDE 0.6 FEET AT 2:53 AM  
HIGH TIDE 2.4 FEET AT 8:49 AM  
LOW TIDE 0.7 FEET AT 3:04 PM  
HIGH TIDE 2.4 FEET AT 8:54 PM  
 
 
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