


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
894 SOGM40 PGUM 170645 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 443 PM CHST FRI OCT 17 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL SO FAR TODAY... 0.16 INCHES MONTH TO DATE........... 11.70 INCHES YEAR TO DATE............ 79.32 INCHES TODAY OCTOBER 17 2025 SUNRISE 6:12 AM CHST SUNSET 6:01 PM CHST TOMORROW OCTOBER 18 2025 SUNRISE 6:12 AM CHST SUNSET 6:00 PM CHST MOON PHASE: WANING CRESCENT, 18% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-10-17 HIGH TIDE 2.3 FEET AT 5:43 PM LOW TIDE 0.9 FEET AT 11:49 PM TOMORROW 2025-10-18 HIGH TIDE 1.9 FEET AT 5:17 AM LOW TIDE 0.4 FEET AT 11:36 AM HIGH TIDE 2.3 FEET AT 6:08 PM SUNDAY 2025-10-19 LOW TIDE 0.6 FEET AT 12:26 AM HIGH TIDE 2.0 FEET AT 6:14 AM $$