Datums for 8779750, South Padre Island, Brazos Santiago Pass TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8779750, South Padre Island, Brazos Santiago Pass, TX
Status: Superseded (Apr 17 2003) (Accepted May 5 1998)
Units: Feet
Control Station: 8779770 Port Isabel, TX
T.M.: 90
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.58Mean Higher-High Water
MHW1.51Mean High Water
MTL0.86Mean Tide Level
MSL0.93Mean Sea Level
DTL0.79Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.55Station Datum
GT1.58Great Diurnal Range
MN1.31Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide7.35Highest Observed Tide
Max Tide Date & Time09/20/1967 00:00Highest Observed Tide Date & Time
Min Tide-1.81Lowest Observed Tide
Min Tide Date & Time12/13/1989 08:42Lowest Observed Tide Date & Time
HAT2.49Highest Astronomical Tide
HAT Date & Time10/31/2026 04:06HAT Date and Time
LAT-1.42Lowest Astronomical Tide
LAT Date & Time07/02/2004 01:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1980 - 12/31/1989




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