Datums for 8773767, Matagorda Bay Entrance Channel TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8773767, Matagorda Bay Entrance Channel, TX
Status: Accepted (May 15 2020)
Units: Feet
Control Station: 8775870 Bob Hall Pier, Corpus Christi, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.24Mean Higher-High Water
MHW1.21Mean High Water
MTL0.66Mean Tide Level
MSL0.74Mean Sea Level
DTL0.62Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.37North American Vertical Datum of 1988
STND-25.38Station Datum
GT1.24Great Diurnal Range
MN1.10Mean Range of Tide
DHQ0.03Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide4.38Highest Observed Tide
Max Tide Date & Time09/21/2020 14:48Highest Observed Tide Date & Time
Min Tide-1.68Lowest Observed Tide
Min Tide Date & Time01/20/2019 18:48Lowest Observed Tide Date & Time
HAT2.12Highest Astronomical Tide
HAT Date & Time10/12/2025 06:36HAT Date and Time
LAT-1.11Lowest Astronomical Tide
LAT Date & Time01/09/2005 13:36LAT Date and Time
Tidal Datum Analysis Periods
07/01/2016 - 06/30/2017
09/01/2017 - 08/31/2019




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