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Datums for 8761724, Grand Isle LA


NOTICE: This stations datums are computed using the 5-year Modified Procedure

Elevations on Station Datum

Station: 8761724, Grand Isle, LA
Status: Accepted (Feb 1 2018)
Units: Feet
T.M.: 0
Epoch: 2012-2016
Datum: STND
DatumValueDescription
MHHW7.41Mean Higher-High Water
MHW7.41Mean High Water
MTL6.88Mean Tide Level
MSL6.89Mean Sea Level
DTL6.88Mean Diurnal Tide Level
MLW6.36Mean Low Water
MLLW6.35Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.06Great Diurnal Range
MN1.04Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.01Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide11.58Highest Observed Tide
Max Tide Date & Time08/29/2012 14:06Highest Observed Tide Date & Time
Min Tide3.00Lowest Observed Tide
Min Tide Date & Time01/13/1964 00:00Lowest Observed Tide Date & Time
HAT8.15Highest Astronomical Tide
HAT Date & Time10/18/1989 04:54HAT Date and Time
LAT5.40Lowest Astronomical Tide
LAT Date & Time01/27/1987 12:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
01/01/2012 - 03/31/2012
05/01/2012 - 12/31/2016




Products available at 8761724 Grand Isle, LA

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