Datums for 8771972, San Luis Pass TX

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8771972, San Luis Pass, TX
Status: Accepted (May 10 2021)
Units: Feet
Control Station: 8771450 Galveston Pier 21, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW1.17Mean Higher-High Water
MHW1.11Mean High Water
MTL0.66Mean Tide Level
MSL0.69Mean Sea Level
DTL0.59Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.25North American Vertical Datum of 1988
STND-4.05Station Datum
GT1.17Great Diurnal Range
MN0.90Mean Range of Tide
DHQ0.06Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide5.50Highest Observed Tide
Max Tide Date & Time09/21/2020 10:36Highest Observed Tide Date & Time
Min Tide-2.55Lowest Observed Tide
Min Tide Date & Time01/12/2018 11:00Lowest Observed Tide Date & Time
HAT2.03Highest Astronomical Tide
HAT Date & Time10/12/2025 05:18HAT Date and Time
LAT-1.36Lowest Astronomical Tide
LAT Date & Time01/21/2023 14:54LAT Date and Time
Tidal Datum Analysis Periods
10/01/2016 - 09/30/2017
04/01/2019 - 03/31/2020

Products available at 8771972 San Luis Pass, TX