


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
451 SOGM40 PGUM 110705 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 500 PM CHST MON AUG 11 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL SO FAR TODAY... NONE MONTH TO DATE........... 4.36 INCHES YEAR TO DATE............ 46.58 INCHES TODAY AUGUST 11 2025 SUNRISE 6:07 AM CHST SUNSET 6:44 PM CHST TOMORROW AUGUST 12 2025 SUNRISE 6:08 AM CHST SUNSET 6:44 PM CHST MOON PHASE: WANING GIBBOUS, 96% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-08-11 HIGH TIDE 2.6 FEET AT 9:44 PM TOMORROW 2025-08-12 LOW TIDE 1.3 FEET AT 3:36 AM HIGH TIDE 2.6 FEET AT 8:57 AM LOW TIDE 0.3 FEET AT 3:43 PM HIGH TIDE 2.6 FEET AT 10:11 PM WEDNESDAY 2025-08-13 LOW TIDE 1.0 FEET AT 4:22 AM HIGH TIDE 2.5 FEET AT 9:55 AM $$