Tide Report
Issued by NWS Tiyan, Guam

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894
SOGM40 PGUM 170645
TIDGUM

GUAM CLIMATE AND TIDE DATA
NATIONAL WEATHER SERVICE TIYAN GU
443 PM CHST FRI OCT 17 2025

FOR GUAM INTERNATIONAL AIRPORT:

RAINFALL SO FAR TODAY...  0.16 INCHES
MONTH TO DATE........... 11.70 INCHES
YEAR TO DATE............ 79.32 INCHES

TODAY    OCTOBER 17 2025 SUNRISE 6:12 AM CHST SUNSET 6:01 PM CHST
TOMORROW OCTOBER 18 2025 SUNRISE 6:12 AM CHST SUNSET 6:00 PM CHST

MOON PHASE: WANING CRESCENT, 18% ILLUMINATED
(COURTESY OF US NAVAL OBSERVATORY)

ASTRONOMICAL TIDE PREDICTIONS FOR APRA HARBOR GUAM
(COURTESY OF NOAA`S NATIONAL OCEAN SERVICE)

TODAY 2025-10-17
HIGH TIDE 2.3 FEET AT  5:43 PM
 LOW TIDE 0.9 FEET AT 11:49 PM

TOMORROW 2025-10-18
HIGH TIDE 1.9 FEET AT  5:17 AM
 LOW TIDE 0.4 FEET AT 11:36 AM
HIGH TIDE 2.3 FEET AT  6:08 PM

SUNDAY 2025-10-19
 LOW TIDE 0.6 FEET AT 12:26 AM
HIGH TIDE 2.0 FEET AT  6:14 AM

$$