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Datums for 8771328, Port Bolivar TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8771328, Port Bolivar, TX
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8771450 Galveston Pier 21, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.40Mean Higher-High Water
MHW1.32Mean High Water
MTL0.75Mean Tide Level
MSL0.84Mean Sea Level
DTL0.70Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.02Station Datum
GT1.40Great Diurnal Range
MN1.12Mean Range of Tide
DHQ0.08Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide5.34Highest Observed Tide
Max Tide Date & Time09/11/1998 10:48Highest Observed Tide Date & Time
Min Tide-3.55Lowest Observed Tide
Min Tide Date & Time12/29/1997 15:36Lowest Observed Tide Date & Time
HAT2.35Highest Astronomical Tide
HAT Date & Time10/10/1986 08:54HAT Date and Time
LAT-1.42Lowest Astronomical Tide
LAT Date & Time12/30/1986 14:54LAT Date and Time
Tidal Datum Analysis Periods
01/01/1996 - 12/31/2000




Products available at 8771328 Port Bolivar, TX

Revised: 08/08/2018
NOAA / National Ocean Service
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