Datums for 8760551, South Pass LA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8760551, South Pass, LA
Status: Accepted (Mar 30 2018)
Units: Feet
Control Station: 8761724 Grand Isle, LA
T.M.: 90
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW1.22Mean Higher-High Water
MHW1.21Mean High Water
MTL0.61Mean Tide Level
MSL0.60Mean Sea Level
DTL0.61Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.26Station Datum
GT1.23Great Diurnal Range
MN1.19Mean Range of Tide
DHQ0.02Mean Diurnal High Water Inequality
DLQ0.02Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide2.95Highest Observed Tide
Max Tide Date & Time09/27/1998 21:54Highest Observed Tide Date & Time
Min Tide-3.98Lowest Observed Tide
Min Tide Date & Time03/19/1978 06:00Lowest Observed Tide Date & Time
HAT2.22Highest Astronomical Tide
HAT Date & Time10/29/2007 03:18HAT Date and Time
LAT-1.17Lowest Astronomical Tide
LAT Date & Time01/20/2023 11:24LAT Date and Time
Tidal Datum Analysis Periods
12/01/1994 - 11/30/1998


Products available at 8760551 South Pass, LA
  • Meteorological/Other
  • Meteorological Observations
  • Water Temp/Conductivity
  • PORTS®
  • This station is not a member of PORTS®