


Tide Report
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
814 SOGM40 PGUM 160635 TIDGUM GUAM CLIMATE AND TIDE DATA NATIONAL WEATHER SERVICE TIYAN GU 430 PM CHST FRI MAY 16 2025 FOR GUAM INTERNATIONAL AIRPORT: RAINFALL SO FAR TODAY... A TRACE MONTH TO DATE........... 0.55 INCHES YEAR TO DATE............ 14.30 INCHES TODAY MAY 16 2025 SUNRISE 5:55 AM CHST SUNSET 6:40 PM CHST TOMORROW MAY 17 2025 SUNRISE 5:54 AM CHST SUNSET 6:40 PM CHST MOON PHASE: WANING GIBBOUS, 89% ILLUMINATED (COURTESY OF US NAVAL OBSERVATORY) ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM (COURTESY OF NOAA`S NATIONAL OCEAN SERVICE) TODAY 2025-05-16 HIGH TIDE 2.3 FEET AT 11:36 PM TOMORROW 2025-05-17 LOW TIDE 1.9 FEET AT 4:54 AM HIGH TIDE 2.2 FEET AT 9:00 AM LOW TIDE -0.1 FEET AT 4:42 PM SUNDAY 2025-05-18 HIGH TIDE 2.4 FEET AT 12:30 AM LOW TIDE 1.9 FEET AT 5:42 AM HIGH TIDE 2.2 FEET AT 9:48 AM $$