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Current Datum Value: 4.30

Datums for 8779977, Brownsville TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8779977, Brownsville, TX
Status: Accepted (Nov 12 2003)
Units: Feet
Control Station: 8779770 Port Isabel, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.51Mean Higher-High Water
MHW1.44Mean High Water
MTL0.83Mean Tide Level
MSL0.89Mean Sea Level
DTL0.76Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.30Station Datum
GT1.50Great Diurnal Range
MN1.21Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.51Highest Observed Tide
Max Tide Date & Time09/26/2002 01:36Highest Observed Tide Date & Time
Min Tide-1.25Lowest Observed Tide
Min Tide Date & Time12/21/2002 15:42Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
07/01/2002 - 12/31/2002




Products available at 8779977 Brownsville, TX

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services