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 3 2018)
Units: Feet
Control Station: 8772447 Freeport, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.25Mean Higher-High Water
MHW1.18Mean High Water
MTL0.67Mean Tide Level
MSL0.72Mean Sea Level
DTL0.62Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.40North American Vertical Datum of 1988
STND-4.19Station Datum
GT1.25Great Diurnal Range
MN1.02Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide4.35Highest Observed Tide
Max Tide Date & Time08/25/2017 23:54Highest Observed Tide Date & Time
Min Tide-2.69Lowest Observed Tide
Min Tide Date & Time01/12/2018 11:00Lowest Observed Tide Date & Time
HAT1.94Highest Astronomical Tide
HAT Date & Time10/19/1989 04:12HAT Date and Time
LAT-1.00Lowest Astronomical Tide
LAT Date & Time01/27/1987 14:00LAT Date and Time
Tidal Datum Analysis Periods
10/01/2016 - 09/30/2017




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