


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
041 SOGM40 PGUM 210700 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 458 PM CHST THU AUG 21 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL SO FAR TODAY... 0.90 INCHES MONTH TO DATE........... 9.53 INCHES YEAR TO DATE............ 51.75 INCHES TODAY AUGUST 21 2025 SUNRISE 6:09 AM CHST SUNSET 6:39 PM CHST TOMORROW AUGUST 22 2025 SUNRISE 6:09 AM CHST SUNSET 6:38 PM CHST MOON PHASE: WANING CRESCENT, 5% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-08-21 HIGH TIDE 2.5 FEET AT 7:41 PM TOMORROW 2025-08-22 LOW TIDE 1.6 FEET AT 12:56 AM HIGH TIDE 2.5 FEET AT 5:56 AM LOW TIDE -0.2 FEET AT 1:12 PM HIGH TIDE 2.5 FEET AT 8:12 PM SATURDAY 2025-08-23 LOW TIDE 1.4 FEET AT 1:39 AM HIGH TIDE 2.5 FEET AT 6:48 AM $$