Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
952 SOGM40 PGUM 200000 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 255 AM CHST MON JUL 20 2026 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL YESTERDAY...... 0.86 INCHES MONTH TO DATE........... 20.40 INCHES YEAR TO DATE............ 77.46 INCHES TODAY JULY 20 2026 SUNRISE 6:03 AM CHST SUNSET 6:52 PM CHST TOMORROW JULY 21 2026 SUNRISE 6:03 AM CHST SUNSET 6:51 PM CHST MOON PHASE: WAXING CRESCENT, 31% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2026-07-20 LOW TIDE 1.1 FEET AT 6:33 AM HIGH TIDE 2.1 FEET AT 12:00 PM LOW TIDE 0.9 FEET AT 6:06 PM TOMORROW 2026-07-21 HIGH TIDE 2.5 FEET AT 12:35 AM LOW TIDE 0.9 FEET AT 7:29 AM HIGH TIDE 1.9 FEET AT 1:30 PM LOW TIDE 1.3 FEET AT 6:50 PM $$