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Datums for 9751082, Grapetree Bay


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9751082, Grapetree Bay
Status: Accepted (Aug 5 2021)
Units: Feet
Control Station: 9751401 Limetree Bay, VI
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.71Mean Higher-High Water
MHW0.71Mean High Water
MTL0.36Mean Tide Level
MSL0.35Mean Sea Level
DTL0.36Mean Diurnal Tide Level
MLW0.00Mean Low Water
MLLW0.00Mean Lower-Low Water
VIVD090.34Virgin Islands Vertical Datum of 2009
STND-23.04Station Datum
GT0.71Great Diurnal Range
MN0.71Mean Range of Tide
DHQ0.00Mean Diurnal High Water Inequality
DLQ0.00Mean 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
HAT1.12Highest Astronomical Tide
HAT Date & Time08/18/2005 01:42HAT Date and Time
LAT-0.46Lowest Astronomical Tide
LAT Date & Time01/20/2004 02:54LAT Date and Time
Tidal Datum Analysis Periods
01/01/2021 - 03/31/2021
Created with Highcharts 3.0.6DHQ: 0DLQ: 0MN: 0.71GT: 0.71Datums for 9751082, Grapetree BayAll figures in feet relative to MLLWMHHW: 0.71MHW: 0.71DTL: 0.36MTL: 0.36MSL: 0.35MLW: 0MLLW: 0VIVD09: NaNVIVD09: 0.34Datums-0.5-0.2500.250.50.751NOAA/NOS/CO-OPS




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