NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 8720357, I-295 Bridge, St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720357, I-295 Bridge, St Johns River, FL
Status: Accepted (Aug 26 2013)
Units: Feet
Control Station: 8720218 Mayport (Bar Pilots Dock), FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.02Mean Higher-High Water
MHW0.99Mean High Water
MTL0.55Mean Tide Level
MSL0.53Mean Sea Level
DTL0.51Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.65North American Vertical Datum of 1988
STND0.65Station Datum
GT1.02Great Diurnal Range
MN0.89Mean Range of Tide
DHQ0.04Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI4.05Greenwich High Water Interval (in hours)
LWI10.70Greenwich Low Water Interval (in hours)
Max Tide4.48Highest Observed Tide
Max Tide Date & Time09/27/2004 04:12Highest Observed Tide Date & Time
Min Tide-1.62Lowest Observed Tide
Min Tide Date & Time01/09/2009 08:24Lowest Observed Tide Date & Time
HAT1.86Highest Astronomical Tide
HAT Date & Time10/16/1993 16:42HAT Date and Time
LAT-0.58Lowest Astronomical Tide
LAT Date & Time02/08/2001 10:24LAT Date and Time
Tidal Datum Analysis Periods
02/01/2004 - 01/31/2006
07/01/2006 - 06/30/2007
07/01/2008 - 06/30/2010




Products available at 8720357 I-295 Bridge, St Johns River, FL

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