Datums for 8766941, Joseph Harbor LA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8766941, Joseph Harbor, LA
Status: Accepted (Apr 26 2021)
Units: Feet
Control Station: 8766072 Freshwater Canal Locks, LA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.19Mean Higher-High Water
MHW2.01Mean High Water
MTL1.25Mean Tide Level
MSL1.23Mean Sea Level
DTL1.09Mean Diurnal Tide Level
MLW0.50Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.66North American Vertical Datum of 1988
STND-28.08Station Datum
GT2.19Great Diurnal Range
MN1.51Mean Range of Tide
DHQ0.18Mean Diurnal High Water Inequality
DLQ0.50Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT2.98Highest Astronomical Tide
HAT Date & Time10/26/2007 21:30HAT Date and Time
LAT-1.49Lowest Astronomical Tide
LAT Date & Time01/10/2005 14:06LAT Date and Time
Tidal Datum Analysis Periods
07/06/2020 - 08/04/2020
Created with Highcharts 3.0.6DHQ: 0.18DLQ: 0.5MN: 1.51GT: 2.19Datums for 8766941, Joseph Harbor, LAAll figures in feet relative to MLLWMHHW: 2.19MHW: 2.01DTL: 1.09MTL: 1.25MSL: 1.23MLW: 0.5MLLW: 0NAVD88: NaNNAVD88: 1.66Datums-0.500.511.522.5NOAA/NOS/CO-OPS




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