NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Current Datum Value: 4.22

Datums for 8771013, Eagle Point, Galveston Bay TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8771013, Eagle Point, Galveston Bay, TX
Status: Accepted (Jul 12 2011)
Units: Feet
Control Station: 8771450 Galveston Pier 21, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.10Mean Higher-High Water
MHW1.06Mean High Water
MTL0.55Mean Tide Level
MSL0.59Mean Sea Level
DTL0.55Mean Diurnal Tide Level
MLW0.05Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.22Station Datum
GT1.11Great Diurnal Range
MN1.02Mean Range of Tide
DHQ0.04Mean Diurnal High Water Inequality
DLQ0.05Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide11.87Highest Observed Tide
Max Tide Date & Time09/13/2008 06:24Highest Observed Tide Date & Time
Min Tide-3.87Lowest Observed Tide
Min Tide Date & Time12/29/1997 19:48Lowest Observed Tide Date & Time
HAT1.95Highest Astronomical Tide
HAT Date & Time10/10/1986 12:00HAT Date and Time
LAT-1.18Lowest Astronomical Tide
LAT Date & Time01/18/1988 18:12LAT Date and Time
Tidal Datum Analysis Periods
09/01/1994 - 08/31/2008
03/01/2010 - 02/28/2011




Products available at 8771013 Eagle Point, Galveston Bay, TX

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