


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
963 SOGM40 PGUM 171645 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 241 AM CHST FRI APR 18 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL YESTERDAY...... 0.47 INCHES MONTH TO DATE........... 1.30 INCHES YEAR TO DATE............ 12.64 INCHES TODAY APRIL 18 2025 SUNRISE 6:06 AM CHST SUNSET 6:34 PM CHST TOMORROW APRIL 19 2025 SUNRISE 6:06 AM CHST SUNSET 6:34 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 2025-04-18 LOW TIDE 1.6 FEET AT 4:54 AM HIGH TIDE 2.1 FEET AT 9:30 AM LOW TIDE 0.0 FEET AT 5:06 PM TOMORROW 2025-04-19 HIGH TIDE 2.1 FEET AT 12:42 AM LOW TIDE 1.7 FEET AT 5:42 AM HIGH TIDE 2.0 FEET AT 10:06 AM LOW TIDE 0.0 FEET AT 5:54 PM $$