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: Accepted (Oct 26 2020)
Units: Feet
Control Station: 8720357 I-295 Buckman Bridge, FL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.00Mean Higher-High Water
MHW0.96Mean High Water
MTL0.53Mean Tide Level
MSL0.54Mean Sea Level
DTL0.50Mean Diurnal Tide Level
MLW0.09Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.72North American Vertical Datum of 1988
STND0.69Station Datum
GT1.00Great Diurnal Range
MN0.87Mean Range of Tide
DHQ0.04Mean Diurnal High Water Inequality
DLQ0.09Mean Diurnal Low Water Inequality
HWI6.03Greenwich High Water Interval (in hours)
LWI0.18Greenwich Low Water Interval (in hours)
Max Tide4.04Highest Observed Tide
Max Tide Date & Time09/27/2004 05:06Highest Observed Tide Date & Time
Min Tide-1.21Lowest Observed Tide
Min Tide Date & Time04/14/2004 21:12Lowest Observed Tide Date & Time
HAT1.16Highest Astronomical Tide
HAT Date & Time06/14/1999 06:18HAT Date and Time
LAT-0.08Lowest Astronomical Tide
LAT Date & Time02/09/2001 13:18LAT Date and Time
Tidal Datum Analysis Periods
11/01/2003 - 10/31/2005
05/01/2014 - 04/30/2015




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