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 (Apr 21 2020)
Units: Feet
Control Station: 8770570 Sabine Pass North, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.08Mean Higher-High Water
MHW1.93Mean High Water
MTL1.22Mean Tide Level
MSL1.19Mean Sea Level
DTL1.04Mean Diurnal Tide Level
MLW0.50Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.22North American Vertical Datum of 1988
STND-21.01Station Datum
GT2.09Great Diurnal Range
MN1.43Mean Range of Tide
DHQ0.15Mean Diurnal High Water Inequality
DLQ0.50Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide10.08Highest Observed Tide
Max Tide Date & Time09/12/2008 23:30Highest Observed Tide Date & Time
Min Tide-3.20Lowest Observed Tide
Min Tide Date & Time01/29/2019 13:18Lowest Observed Tide Date & Time
HAT2.74Highest Astronomical Tide
HAT Date & Time10/16/1989 22:30HAT Date and Time
LAT-1.45Lowest Astronomical Tide
LAT Date & Time01/28/1987 13:06LAT Date and Time
Tidal Datum Analysis Periods
04/01/2006 - 03/31/2008
08/01/2008 - 07/31/2013
07/01/2015 - 06/30/2017




Products available at 8766072 Freshwater Canal Locks, LA