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Current Datum Value: 3.14

Datums for 8720242, Longbranch FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720242, Longbranch, FL
Status: Accepted (Oct 5 2009)
Units: Feet
Control Station: 8720218 Mayport (Bar Pilots Dock), FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.71Mean Higher-High Water
MHW2.62Mean High Water
MTL1.36Mean Tide Level
MSL1.37Mean Sea Level
DTL1.35Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.65North American Vertical Datum of 1988
STND-3.14Station Datum
GT2.72Great Diurnal Range
MN2.51Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWI2.39Greenwich High Water Interval (in hours)
LWI8.91Greenwich Low Water Interval (in hours)
Max Tide5.17Highest Observed Tide
Max Tide Date & Time10/07/1998 16:12Highest Observed Tide Date & Time
Min Tide-5.78Lowest Observed Tide
Min Tide Date & Time01/10/1996 11:42Lowest Observed Tide Date & Time
HAT3.79Highest Astronomical Tide
HAT Date & Time09/27/1992 15:06HAT Date and Time
LAT-0.84Lowest Astronomical Tide
LAT Date & Time02/01/1995 09:54LAT Date and Time
Tidal Datum Analysis Periods
03/01/2002 - 02/28/2003
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8720242 Longbranch, FL

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