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Current Datum Value: 28.98

Datums for 8571579, Barren Island MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8571579, Barren Island, MD
Status: Accepted (Jan 26 2005)
Units: Feet
Control Station: 8577330 Solomons Island, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.55Mean Higher-High Water
MHW1.38Mean High Water
MTL0.77Mean Tide Level
MSL0.79Mean Sea Level
DTL0.78Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.22North American Vertical Datum of 1988
STND-28.98Station Datum
GT1.55Great Diurnal Range
MN1.22Mean Range of Tide
DHQ0.17Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI6.78Greenwich High Water Interval (in hours)
LWI0.76Greenwich Low Water Interval (in hours)
Max Tide3.13Highest Observed Tide
Max Tide Date & Time03/21/2003 08:36Highest Observed Tide Date & Time
Min Tide-1.94Lowest Observed Tide
Min Tide Date & Time01/24/2003 17:30Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
01/01/2002 - 01/31/2002
03/01/2002 - 09/30/2002
01/01/2003 - 03/31/2003
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8571579 Barren Island, MD

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services