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Datums for 8766072, Freshwater Canal Locks LA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8766072, Freshwater Canal Locks, LA
Status: Accepted (Jul 29 2011)
Units: Feet
Control Station: 8770570 Sabine Pass North, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.16Mean Higher-High Water
MHW2.00Mean High Water
MTL1.26Mean Tide Level
MSL1.24Mean Sea Level
DTL1.08Mean Diurnal Tide Level
MLW0.52Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-20.95Station Datum
GT2.15Great Diurnal Range
MN1.48Mean Range of Tide
DHQ0.15Mean Diurnal High Water Inequality
DLQ0.52Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide10.14Highest Observed Tide
Max Tide Date & Time09/12/2008 23:30Highest Observed Tide Date & Time
Min Tide-2.94Lowest Observed Tide
Min Tide Date & Time12/23/2007 13:18Lowest Observed Tide Date & Time
HAT2.78Highest Astronomical Tide
HAT Date & Time10/16/1989 22:30HAT Date and Time
LAT-1.40Lowest Astronomical Tide
LAT Date & Time01/28/1987 13:06LAT Date and Time
Tidal Datum Analysis Periods
04/01/2006 - 03/31/2008
06/01/2009 - 05/01/2011




Products available at 8766072 Freshwater Canal Locks, LA

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