Datums for 8767403, MERMENTAU RIVER, GRAND CHENIER LA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8767403, MERMENTAU RIVER, GRAND CHENIER, LA
Status: Accepted (Apr 21 2021)
Units: Feet
Control Station: 8768094 Calcasieu Pass, LA
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.83Mean Higher-High Water
MHW1.71Mean High Water
MTL1.06Mean Tide Level
MSL1.04Mean Sea Level
DTL0.92Mean Diurnal Tide Level
MLW0.42Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.36North American Vertical Datum of 1988
STND-3.35Station Datum
GT1.83Great Diurnal Range
MN1.29Mean Range of Tide
DHQ0.13Mean Diurnal High Water Inequality
DLQ0.42Mean 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
HAT2.71Highest Astronomical Tide
HAT Date & Time10/27/2007 23:24HAT Date and Time
LAT-1.49Lowest Astronomical Tide
LAT Date & Time01/10/2005 14:54LAT Date and Time
Tidal Datum Analysis Periods
01/01/2020 - 06/30/2020


Products available at 8767403 MERMENTAU RIVER, GRAND CHENIER, LA