Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
277 SOGM40 PGUM 081605 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 204 AM CHST TUE DEC 09 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL YESTERDAY...... A TRACE MONTH TO DATE........... 1.21 INCHES YEAR TO DATE............ 90.76 INCHES TODAY DECEMBER 9 2025 SUNRISE 6:32 AM CHST SUNSET 5:54 PM CHST TOMORROW DECEMBER 10 2025 SUNRISE 6:33 AM CHST SUNSET 5:54 PM CHST MOON PHASE: WANING GIBBOUS, 82% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-12-09 LOW TIDE -0.8 FEET AT 4:38 AM HIGH TIDE 2.2 FEET AT 12:16 PM LOW TIDE 1.4 FEET AT 5:35 PM HIGH TIDE 2.0 FEET AT 9:52 PM TOMORROW 2025-12-10 LOW TIDE -0.5 FEET AT 5:29 AM HIGH TIDE 2.1 FEET AT 1:07 PM LOW TIDE 1.3 FEET AT 6:46 PM $$