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Datums for 8720211, Mayport Naval Sta., St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720211, Mayport Naval Sta., St Johns River, FL
Status: Accepted (Aug 23 2011)
Units: Feet
Control Station: 8720218 Mayport (Bar Pilots Dock), FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.11Mean Higher-High Water
MHW4.82Mean High Water
MTL2.49Mean Tide Level
MSL2.54Mean Sea Level
DTL2.56Mean Diurnal Tide Level
MLW0.15Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.11North American Vertical Datum of 1988
STND3.06Station Datum
GT5.12Great Diurnal Range
MN4.66Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI0.99Greenwich High Water Interval (in hours)
LWI6.95Greenwich Low Water Interval (in hours)
Max Tide7.81Highest Observed Tide
Max Tide Date & Time09/27/2004 00:06Highest Observed Tide Date & Time
Min Tide-1.87Lowest Observed Tide
Min Tide Date & Time03/08/2005 18:12Lowest Observed Tide Date & Time
HAT6.69Highest Astronomical Tide
HAT Date & Time10/16/1993 13:36HAT Date and Time
LAT-1.75Lowest Astronomical Tide
LAT Date & Time02/08/1997 07:12LAT Date and Time
Tidal Datum Analysis Periods
11/01/2003 - 10/31/2004




Products available at 8720211 Mayport Naval Sta., St Johns River, FL

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services