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Datums for 1770000, Pago Pago, American Samoa


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 1770000, Pago Pago, American Samoa
Status: Accepted (Sep 22 2017)
Units: Feet
Control Station:
T.M.: 0
Epoch: 0000-0000
Datum: MLLW
DatumValueDescription
MHHW2.77Mean Higher-High Water
MHW2.64Mean High Water
MTL1.35Mean Tide Level
MSL1.35Mean Sea Level
DTL1.39Mean Diurnal Tide Level
MLW0.06Mean Low Water
MLLW0.00Mean Lower-Low Water
ASVD02
STND-3.21Station Datum
GT2.77Great Diurnal Range
MN2.58Mean Range of Tide
DHQ0.14Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWI6.21Greenwich High Water Interval (in hours)
LWI12.37Greenwich Low Water Interval (in hours)
Max Tide3.96Highest Observed Tide
Max Tide Date & Time12/14/2016 06:00Highest Observed Tide Date & Time
Min Tide-1.00Lowest Observed Tide
Min Tide Date & Time05/06/2016 11:18Lowest Observed Tide Date & Time
HAT3.54Highest Astronomical Tide
HAT Date & Time01/20/1996 05:30HAT Date and Time
LAT-0.65Lowest Astronomical Tide
LAT Date & Time02/08/2001 12:18LAT Date and Time
Tidal Datum Analysis Periods
10/01/2011 - 09/30/2016




Products available at 1770000 Pago Pago, American Samoa,

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services