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Datums for 8764227, LAWMA, Amerada Pass LA


Elevations on Station Datum

Station: 8764227, LAWMA, Amerada Pass, LA
Status: Accepted (Aug 28 2017)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW25.04Mean Higher-High Water
MHW24.89Mean High Water
MTL24.32Mean Tide Level
MSL24.28Mean Sea Level
DTL24.24Mean Diurnal Tide Level
MLW23.75Mean Low Water
MLLW23.42Mean Lower-Low Water
NAVD8824.17North American Vertical Datum of 1988
STND0.00Station Datum
GT1.62Great Diurnal Range
MN1.14Mean Range of Tide
DHQ0.15Mean Diurnal High Water Inequality
DLQ0.32Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum30.98Highest Observed Water Level
Max Date & Time09/12/2008 19:48Highest Observed Water Level Date and Time
Minimum21.80Lowest Observed Water Level
Min Date & Time12/26/2010 00:00Lowest Observed Water Level Date and Time
HAT25.70Highest Astronomical Tide
HAT Date & Time06/12/1987 11:48HAT Date and Time
LAT22.24Lowest Astronomical Tide
LAT Date & Time12/31/1986 15:30LAT Date and Time
Tidal Datum Analysis Periods
06/01/2007 - 05/31/2009
11/01/2009 - 10/31/2012
07/01/2013 - 06/30/2015
03/01/2016 - 02/28/2017




Products available at 8764227 LAWMA, Amerada Pass, LA

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services