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

Notice: We are experiencing a wide spread communication outage affecting the availability of water level and meteorological data for some of our stations, as well as several critical bridge clearance measurements. We are diligently working to resolve this data outage. Please direct all questions to tide.predictions@noaa.gov or call (301) 713-2815.

Datums for 8720625, Racy Point, St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720625, Racy Point, St Johns River, FL
Status: Accepted (Oct 28 2011)
Units: Feet
Control Station: 8720503 Red Bay Point, St Johns River, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.26Mean Higher-High Water
MHW1.21Mean High Water
MTL0.65Mean Tide Level
MSL0.66Mean Sea Level
DTL0.63Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.62North American Vertical Datum of 1988
STND0.63Station Datum
GT1.26Great Diurnal Range
MN1.14Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWI7.32Greenwich High Water Interval (in hours)
LWI1.40Greenwich Low Water Interval (in hours)
Max Tide5.71Highest Observed Tide
Max Tide Date & Time10/07/2016 22:54Highest Observed Tide Date & Time
Min Tide-1.24Lowest Observed Tide
Min Tide Date & Time04/15/2004 10:30Lowest Observed Tide Date & Time
HAT1.97Highest Astronomical Tide
HAT Date & Time10/15/1993 19:00HAT Date and Time
LAT-0.44Lowest Astronomical Tide
LAT Date & Time02/07/1993 13:54LAT Date and Time
Tidal Datum Analysis Periods
05/01/2003 - 07/31/2003




Products available at 8720625 Racy Point, St Johns River, FL

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