894  
SOGM40 PGUM 130645  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
443 PM CHST FRI MAR 13 2026  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... 0.40 INCHES  
MONTH TO DATE........... 11.44 INCHES  
YEAR TO DATE............ 25.21 INCHES  
 
TODAY MARCH 13 2026 SUNRISE 6:30 AM CHST SUNSET 6:31 PM CHST  
TOMORROW MARCH 14 2026 SUNRISE 6:29 AM CHST SUNSET 6:31 PM CHST  
 
MOON PHASE: WANING CRESCENT, 34% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2026-03-13  
LOW TIDE 0.1 FEET AT 9:53 PM  
 
TOMORROW 2026-03-14  
HIGH TIDE 1.9 FEET AT 5:55 AM  
LOW TIDE 1.5 FEET AT 10:47 AM  
HIGH TIDE 1.8 FEET AT 3:16 PM  
LOW TIDE 0.0 FEET AT 10:50 PM  
 
SUNDAY 2026-03-15  
HIGH TIDE 2.0 FEET AT 6:26 AM  
LOW TIDE 1.4 FEET AT 11:34 AM  
 

 
 
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