Datums for 8766941, Joseph Harbor


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8766941, Joseph Harbor
Status: Accepted (Apr 26 2021)
Units: Feet
Control Station: 8766072 Freshwater Canal Locks, LA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.20Mean Higher-High Water
MHW2.02Mean High Water
MTL1.26Mean Tide Level
MSL1.24Mean Sea Level
DTL1.10Mean Diurnal Tide Level
MLW0.51Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.67North American Vertical Datum of 1988
STND-28.07Station 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
HAT2.99Highest Astronomical Tide
HAT Date & Time10/26/2007 21:30HAT Date and Time
LAT-1.48Lowest Astronomical Tide
LAT Date & Time01/10/2005 14:06LAT Date and Time
Tidal Datum Analysis Periods
07/06/2020 - 08/04/2020




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