Tide Report
Issued by NWS Tiyan, Guam

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041
SOGM40 PGUM 210700
TIDGUM

GUAM CLIMATE AND TIDE DATA
NATIONAL WEATHER SERVICE TIYAN GU
458 PM CHST THU AUG 21 2025

FOR GUAM INTERNATIONAL AIRPORT:

RAINFALL SO FAR TODAY...  0.90 INCHES
MONTH TO DATE...........  9.53 INCHES
YEAR TO DATE............ 51.75 INCHES

TODAY    AUGUST 21 2025 SUNRISE 6:09 AM CHST SUNSET 6:39 PM CHST
TOMORROW AUGUST 22 2025 SUNRISE 6:09 AM CHST SUNSET 6:38 PM CHST

MOON PHASE: WANING CRESCENT, 5% ILLUMINATED
(COURTESY OF US NAVAL OBSERVATORY)

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

TODAY 2025-08-21
HIGH TIDE 2.5 FEET AT  7:41 PM

TOMORROW 2025-08-22
 LOW TIDE 1.6 FEET AT 12:56 AM
HIGH TIDE 2.5 FEET AT  5:56 AM
LOW TIDE -0.2 FEET AT  1:12 PM
HIGH TIDE 2.5 FEET AT  8:12 PM

SATURDAY 2025-08-23
 LOW TIDE 1.4 FEET AT  1:39 AM
HIGH TIDE 2.5 FEET AT  6:48 AM

$$