193  
SOGM40 PGUM 160640  
TIDGUM  
 
GUAM CLIMATE AND TIDE DATA  
NATIONAL WEATHER SERVICE TIYAN GU  
438 PM CHST MON MAR 16 2026  
 
FOR GUAM INTERNATIONAL AIRPORT:  
 
RAINFALL SO FAR TODAY... NONE  
MONTH TO DATE........... 12.11 INCHES  
YEAR TO DATE............ 25.88 INCHES  
 
TODAY MARCH 16 2026 SUNRISE 6:28 AM CHST SUNSET 6:31 PM CHST  
TOMORROW MARCH 17 2026 SUNRISE 6:27 AM CHST SUNSET 6:31 PM CHST  
 
MOON PHASE: WANING CRESCENT, 10% ILLUMINATED  
(COURTESY OF US NAVAL OBSERVATORY)  
 
ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM  
(COURTESY OF NOAA'S NATIONAL OCEAN SERVICE)  
 
TODAY 2026-03-16  
HIGH TIDE 2.1 FEET AT 5:26 PM  
 
TOMORROW 2026-03-17  
LOW TIDE 0.0 FEET AT 12:20 AM  
HIGH TIDE 2.2 FEET AT 7:12 AM  
LOW TIDE 1.1 FEET AT 12:49 PM  
HIGH TIDE 2.2 FEET AT 6:18 PM  
 
WEDNESDAY 2026-03-18  
LOW TIDE 0.0 FEET AT 12:59 AM  
HIGH TIDE 2.3 FEET AT 7:33 AM  
 
 
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