Tide Report
Issued by NWS Tiyan, Guam

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507
SOGM40 PGUM 031635
TIDGUM

GUAM CLIMATE AND TIDE DATA
NATIONAL WEATHER SERVICE TIYAN GU
232 AM CHST SAT OCT 04 2025

FOR GUAM INTERNATIONAL AIRPORT:

RAINFALL YESTERDAY......  0.12 INCHES
MONTH TO DATE...........  0.20 INCHES
YEAR TO DATE............ 67.82 INCHES

TODAY    OCTOBER 4 2025 SUNRISE 6:10 AM CHST SUNSET 6:09 PM CHST
TOMORROW OCTOBER 5 2025 SUNRISE 6:10 AM CHST SUNSET 6:08 PM CHST

MOON PHASE: WAXING GIBBOUS, 84% ILLUMINATED
(COURTESY OF US NAVAL OBSERVATORY)

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

TODAY 2025-10-04
HIGH TIDE 2.1 FEET AT  4:27 AM
 LOW TIDE 0.1 FEET AT 11:14 AM
HIGH TIDE 2.4 FEET AT  6:10 PM

TOMORROW 2025-10-05
 LOW TIDE 1.0 FEET AT 12:00 AM
HIGH TIDE 2.2 FEET AT  5:30 AM
 LOW TIDE 0.2 FEET AT 12:00 PM
HIGH TIDE 2.4 FEET AT  6:34 PM

$$