


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
034 SOGM40 PGUM 130640 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 439 PM CHST MON OCT 13 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL SO FAR TODAY... 0.18 INCHES MONTH TO DATE........... 2.83 INCHES YEAR TO DATE............ 70.45 INCHES TODAY OCTOBER 13 2025 SUNRISE 6:11 AM CHST SUNSET 6:03 PM CHST TOMORROW OCTOBER 14 2025 SUNRISE 6:11 AM CHST SUNSET 6:02 PM CHST MOON PHASE: WANING GIBBOUS, 58% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-10-13 LOW TIDE 1.7 FEET AT 7:22 PM HIGH TIDE 2.0 FEET AT 11:19 PM TOMORROW 2025-10-14 LOW TIDE -0.2 FEET AT 7:25 AM HIGH TIDE 2.2 FEET AT 3:36 PM LOW TIDE 1.6 FEET AT 8:57 PM WEDNESDAY 2025-10-15 HIGH TIDE 1.9 FEET AT 12:45 AM LOW TIDE -0.1 FEET AT 8:39 AM $$