Datums for 8762075, Port Fourchon, Belle Pass LA

NOTICE OF PROVISIONAL DATUM These datums and any data referred to said datum are PROVISIONAL and subject to revision until they have been thoroughly reviewed and received final approval. Subsequent review based on field inspections and additional measurements may result in revisions to the data and datums. Data users are cautioned to consider the conditional nature of this information before using it for critical decisions such as those that concern physical or public safety. Only after meeting all standards for quality control assurance will the datums be classified as Accepted Datums.
NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8762075, Port Fourchon, Belle Pass, LA
Status: Accepted (Feb 26 2018)
Units: Feet
Control Station: 8761724 Grand Isle, LA
T.M.: 90
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW1.21Mean Higher-High Water
MHW1.20Mean High Water
MTL0.61Mean Tide Level
MSL0.63Mean Sea Level
DTL0.61Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-29.91Station Datum
GT1.21Great Diurnal Range
MN1.17Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.02Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide4.61Highest Observed Tide
Max Tide Date & Time09/24/2005 07:00Highest Observed Tide Date & Time
Min Tide-2.10Lowest Observed Tide
Min Tide Date & Time02/16/2007 12:54Lowest Observed Tide Date & Time
HAT2.12Highest Astronomical Tide
HAT Date & Time10/12/2025 06:12HAT Date and Time
LAT-1.07Lowest Astronomical Tide
LAT Date & Time01/21/2023 13:30LAT Date and Time
Tidal Datum Analysis Periods
10/01/2003 - 09/30/2007
05/01/2013 - 04/30/2017


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