Datums for 8773146, Matagorda City TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8773146, Matagorda City, TX
Status: Accepted (Dec 28 2020)
Units: Feet
Control Station: 8775792 Packery Channel, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.47Mean Higher-High Water
MHW0.47Mean High Water
MTL0.24Mean Tide Level
MSL0.27Mean Sea Level
DTL0.23Mean Diurnal Tide Level
MLW0.01Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-0.55North American Vertical Datum of 1988
STND-30.85Station Datum
GT0.47Great Diurnal Range
MN0.46Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.01Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.90Highest Observed Tide
Max Tide Date & Time09/22/2020 04:30Highest Observed Tide Date & Time
Min Tide-1.11Lowest Observed Tide
Min Tide Date & Time01/13/2018 13:54Lowest Observed Tide Date & Time
HAT0.56Highest Astronomical Tide
HAT Date & Time11/06/1986 06:06HAT Date and Time
LAT-0.16Lowest Astronomical Tide
LAT Date & Time06/22/1986 04:12LAT Date and Time
Tidal Datum Analysis Periods
10/01/2016 - 09/30/2019




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