Tide Report
Issued by NWS Tiyan, Guam

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736
SOGM40 PGUM 141605
TIDGUM

GUAM CLIMATE AND TIDE DATA
NATIONAL WEATHER SERVICE TIYAN GU
204 AM CHST TUE JUL 15 2025

FOR GUAM INTERNATIONAL AIRPORT:

RAINFALL YESTERDAY......  0.06 INCHES
MONTH TO DATE...........  5.68 INCHES
YEAR TO DATE............ 34.91 INCHES

TODAY    JULY 15 2025 SUNRISE 6:01 AM CHST SUNSET 6:52 PM CHST
TOMORROW JULY 16 2025 SUNRISE 6:02 AM CHST SUNSET 6:52 PM CHST

MOON PHASE: WANING GIBBOUS, 85% ILLUMINATED
(COURTESY OF US NAVAL OBSERVATORY)

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

TODAY 2025-07-15
 LOW TIDE 1.6 FEET AT  4:56 AM
HIGH TIDE 2.4 FEET AT  9:45 AM
 LOW TIDE 0.2 FEET AT  4:46 PM
HIGH TIDE 2.7 FEET AT 11:41 PM

TOMORROW 2025-07-16
 LOW TIDE 1.4 FEET AT  5:47 AM
HIGH TIDE 2.3 FEET AT 10:49 AM
 LOW TIDE 0.5 FEET AT  5:28 PM

$$