Datums for 8761899, LAFITTE, BARATARIA WATERWAY LA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8761899, LAFITTE, BARATARIA WATERWAY, LA
Status: Accepted (Apr 9 2018)
Units: Feet
Control Station: 8761724 Grand Isle, LA
T.M.: 90
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW0.32Mean Higher-High Water
MHW0.32Mean High Water
MTL0.16Mean Tide Level
MSL0.17Mean Sea Level
DTL0.16Mean Diurnal Tide Level
MLW0.00Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.32Station Datum
GT0.32Great Diurnal Range
MN0.32Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.00Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.11Highest Observed Tide
Max Tide Date & Time10/29/1985 06:24Highest Observed Tide Date & Time
Min Tide-3.43Lowest Observed Tide
Min Tide Date & Time12/23/1989 12:18Lowest Observed Tide Date & Time
HAT0.72Highest Astronomical Tide
HAT Date & Time10/02/2006 19:06HAT Date and Time
LAT-0.48Lowest Astronomical Tide
LAT Date & Time01/20/2023 21:12LAT Date and Time
Tidal Datum Analysis Periods
01/01/1986 - 12/31/1990




Products available at 8761899 LAFITTE, BARATARIA WATERWAY, LA