Datums for 1631428, Pago Bay, Guam United States of America


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 1631428, Pago Bay, Guam, United States of America
Status: Accepted (Mar 24 2020)
Units: Feet
Control Station: 1630000 Apra Harbor, Guam, United States of America
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.73Mean Higher-High Water
MHW1.61Mean High Water
MTL1.06Mean Tide Level
MSL1.01Mean Sea Level
DTL0.86Mean Diurnal Tide Level
MLW0.50Mean Low Water
MLLW0.00Mean Lower-Low Water
GUVD040.78Guam Vertical Datum of 2004
STND-24.36Station Datum
GT1.74Great Diurnal Range
MN1.12Mean Range of Tide
DHQ0.12Mean Diurnal High Water Inequality
DLQ0.50Mean Diurnal Low Water Inequality
HWI9.59Greenwich High Water Interval (in hours)
LWI3.41Greenwich Low Water Interval (in hours)
Max Tide4.15Highest Observed Tide
Max Tide Date & Time10/20/2004 08:18Highest Observed Tide Date & Time
Min Tide-1.24Lowest Observed Tide
Min Tide Date & Time12/25/2004 15:30Lowest Observed Tide Date & Time
HAT2.13Highest Astronomical Tide
HAT Date & Time01/22/2027 07:30HAT Date and Time
LAT-0.78Lowest Astronomical Tide
LAT Date & Time12/06/2025 16:42LAT Date and Time
Tidal Datum Analysis Periods
02/01/2005 - 01/31/2006
02/01/2009 - 01/31/2011
04/01/2016 - 03/31/2018




Products available at 1631428 Pago Bay, Guam, United States of America