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Datums for 8724264, BIG TORCH KEY, WEST SIDE FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724264, BIG TORCH KEY, WEST SIDE, FL
Status: Accepted (Mar 16 2004)
Units: Feet
Control Station: 8724211 BIG PINE KEY VIADUCT, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.18Mean Higher-High Water
MHW0.91Mean High Water
MTL0.54Mean Tide Level
MSL0.61Mean Sea Level
DTL0.59Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.28North American Vertical Datum of 1988
STND-3.58Station Datum
GT1.18Great Diurnal Range
MN0.75Mean Range of Tide
DHQ0.27Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI6.02Greenwich High Water Interval (in hours)
LWI10.47Greenwich 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
12/01/1973 - 02/28/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724264 BIG TORCH KEY, WEST SIDE, FL

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services