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Datums for 8761305, Shell Beach LA


Elevations on Station Datum

Station: 8761305, Shell Beach, LA
Status: Accepted (Sep 25 2012)
Units: Feet
T.M.: 90
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW32.74Mean Higher-High Water
MHW32.67Mean High Water
MTL32.01Mean Tide Level
MSL32.04Mean Sea Level
DTL32.02Mean Diurnal Tide Level
MLW31.34Mean Low Water
MLLW31.31Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.43Great Diurnal Range
MN1.33Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.04Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum42.19Highest Observed Water Level
Max Date & Time08/29/2012 05:24Highest Observed Water Level Date and Time
Minimum28.64Lowest Observed Water Level
Min Date & Time08/25/2008 02:48Lowest Observed Water Level Date and Time
HAT33.62Highest Astronomical Tide
HAT Date & Time10/18/1989 09:06HAT Date and Time
LAT30.31Lowest Astronomical Tide
LAT Date & Time01/28/1987 18:00LAT Date and Time
Tidal Datum Analysis Periods
07/01/2009 - 06/30/2011
08/01/2011 - 07/31/2012




Products available at 8761305 Shell Beach, LA

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