Datums for 8720030, Fernandina Beach FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720030, Fernandina Beach, FL
Status: Accepted (Apr 17 2003)
Units: Meters
Control Station:
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.999Mean Higher-High Water
MHW1.892Mean High Water
MTL0.975Mean Tide Level
MSL1.004Mean Sea Level
DTL0.999Mean Diurnal Tide Level
MLW0.057Mean Low Water
MLLW0.000Mean Lower-Low Water
NAVD881.165North American Vertical Datum of 1988
STND-0.518Station Datum
GT1.999Great Diurnal Range
MN1.834Mean Range of Tide
DHQ0.107Mean Diurnal High Water Inequality
DLQ0.057Mean Diurnal Low Water Inequality
HWI1.360Greenwich High Water Interval (in hours)
LWI7.260Greenwich Low Water Interval (in hours)
Max Tide4.115Highest Observed Tide
Max Tide Date & Time10/02/1898 02:42Highest Observed Tide Date & Time
Min Tide-1.250Lowest Observed Tide
Min Tide Date & Time01/24/1940 01:30Lowest Observed Tide Date & Time
HAT2.521Highest Astronomical Tide
HAT Date & Time10/28/2015 14:06HAT Date and Time
LAT-0.509Lowest Astronomical Tide
LAT Date & Time01/31/2014 07:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/1994
01/01/1997 - 12/31/2001




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