Datums for 8773701, Port O'Connor TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8773701, Port O'Connor, TX
Status: Accepted (Mar 9 2020)
Units: Feet
Control Station: 8775792 Packery Channel, TX
T.M.: 0
Epoch: 2002-2006
Datum: MLLW
DatumValueDescription
MHHW0.72Mean Higher-High Water
MHW0.71Mean High Water
MTL0.36Mean Tide Level
MSL0.40Mean Sea Level
DTL0.36Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.38North American Vertical Datum of 1988
STND-11.41Station Datum
GT0.72Great Diurnal Range
MN0.69Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.02Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.89Highest Observed Tide
Max Tide Date & Time09/21/2020 14:36Highest Observed Tide Date & Time
Min Tide-1.66Lowest Observed Tide
Min Tide Date & Time01/16/2022 22:12Lowest Observed Tide Date & Time
HAT1.06Highest Astronomical Tide
HAT Date & Time01/01/2006 07:00HAT Date and Time
LAT-0.40Lowest Astronomical Tide
LAT Date & Time12/24/2026 17:54LAT Date and Time
Tidal Datum Analysis Periods
06/01/2015 - 05/31/2016
10/01/2016 - 09/30/2018




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