Tide Report
Issued by NWS Tiyan, Guam

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889
SOGM40 PGUM 211630
TIDGUM

GUAM CLIMATE AND TIDE DATA
NATIONAL WEATHER SERVICE TIYAN GU
225 AM CHST TUE JUL 22 2025

FOR GUAM INTERNATIONAL AIRPORT:

RAINFALL YESTERDAY......  0.21 INCHES
MONTH TO DATE...........  8.36 INCHES
YEAR TO DATE............ 37.59 INCHES

TODAY    JULY 22 2025 SUNRISE 6:03 AM CHST SUNSET 6:51 PM CHST
TOMORROW JULY 23 2025 SUNRISE 6:04 AM CHST SUNSET 6:51 PM CHST

MOON PHASE: WANING CRESCENT, 13% ILLUMINATED
(COURTESY OF US NAVAL OBSERVATORY)

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

TODAY 2025-07-22
HIGH TIDE 2.6 FEET AT  3:49 AM
LOW TIDE -0.3 FEET AT 11:38 AM
HIGH TIDE 2.5 FEET AT  7:20 PM
 LOW TIDE 2.0 FEET AT 11:59 PM

TOMORROW 2025-07-23
HIGH TIDE 2.7 FEET AT  4:50 AM
LOW TIDE -0.4 FEET AT 12:33 PM
HIGH TIDE 2.6 FEET AT  8:06 PM

$$