Datums for 8720503, Red Bay Point, St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720503, Red Bay Point, St Johns River, FL
Status: Superseded (Apr 17 2003) (Accepted Apr 27 1999)
Units: Feet
Control Station: 8720220 Mayport (Ferry Depot), FL
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW0.98Mean Higher-High Water
MHW0.93Mean High Water
MTL0.50Mean Tide Level
MSL0.53Mean Sea Level
DTL0.49Mean Diurnal Tide Level
MLW0.07Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.93Station Datum
GT0.99Great Diurnal Range
MN0.86Mean Range of Tide
DHQ0.06Mean Diurnal High Water Inequality
DLQ0.07Mean Diurnal Low Water Inequality
HWI5.94Greenwich High Water Interval (in hours)
LWI0.26Greenwich Low Water Interval (in hours)
Max Tide4.28Highest Observed Tide
Max Tide Date & Time09/27/2004 05:06Highest Observed Tide Date & Time
Min Tide-0.97Lowest Observed Tide
Min Tide Date & Time04/14/2004 21:12Lowest Observed Tide Date & Time
HAT1.15Highest Astronomical Tide
HAT Date & Time05/19/2034 07:00HAT Date and Time
LAT-0.10Lowest Astronomical Tide
LAT Date & Time02/09/2001 13:18LAT Date and Time
Tidal Datum Analysis Periods
05/01/1997 - 04/30/1998




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