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Datums for 9761115, Barbuda


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.

Elevations on Station Datum

Station: 9761115, Barbuda
Status: Accepted (Sep 11 2017)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW28.73Mean Higher-High Water
MHW28.71Mean High Water
MTL28.41Mean Tide Level
MSL28.43Mean Sea Level
DTL28.36Mean Diurnal Tide Level
MLW28.11Mean Low Water
MLLW27.99Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT0.74Great Diurnal Range
MN0.61Mean Range of Tide
DHQ0.02Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum29.78Highest Observed Water Level
Max Date & Time08/23/2012 00:42Highest Observed Water Level Date and Time
Minimum27.41Lowest Observed Water Level
Min Date & Time12/25/2011 03:42Lowest Observed Water Level Date and Time
HAT28.91Highest Astronomical Tide
HAT Date & Time06/13/1987 02:36HAT Date and Time
LAT27.59Lowest Astronomical Tide
LAT Date & Time12/31/1986 03:24LAT Date and Time
Tidal Datum Analysis Periods
07/01/2011 - 06/30/2012




Products available at 9761115 Barbuda,

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services