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Current Datum Value: -2.28

Datums for 8720692, State Road A1A Bridge FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720692, State Road A1A Bridge, FL
Status: Accepted (Aug 23 2011)
Units: Feet
Control Station: 8720218 Mayport (Bar Pilots Dock), FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.11Mean Higher-High Water
MHW3.80Mean High Water
MTL1.98Mean Tide Level
MSL1.94Mean Sea Level
DTL2.06Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.28North American Vertical Datum of 1988
STND2.28Station Datum
GT4.12Great Diurnal Range
MN3.64Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI0.94Greenwich High Water Interval (in hours)
LWI7.27Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
10/01/2003 - 10/31/2003




Products available at 8720692 State Road A1A Bridge, FL

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