Datums for 8775237, Port Aransas TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8775237, Port Aransas, TX
Status: Superseded (Apr 17 2003) (Accepted Aug 29 2002)
Units: Feet
Control Station: 8775870 Bob Hall Pier, Corpus Christi, TX
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.07Mean Higher-High Water
MHW1.03Mean High Water
MTL0.62Mean Tide Level
MSL0.61Mean Sea Level
DTL0.53Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.55Station Datum
GT1.07Great Diurnal Range
MN0.84Mean Range of Tide
DHQ0.03Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide6.29Highest Observed Tide
Max Tide Date & Time08/26/2017 02:18Highest Observed Tide Date & Time
Min Tide-1.28Lowest Observed Tide
Min Tide Date & Time01/01/2003 13:42Lowest Observed Tide Date & Time
HAT1.77Highest Astronomical Tide
HAT Date & Time10/12/2025 05:54HAT Date and Time
LAT-1.04Lowest Astronomical Tide
LAT Date & Time01/10/2005 14:36LAT Date and Time
Tidal Datum Analysis Periods
07/01/2002 - 07/31/2002




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