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Datums for 8723918, TOMS HARBOR CHANNEL FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723918, TOMS HARBOR CHANNEL, FL
Status: Accepted (Dec 30 2003)
Units: Feet
Control Station: 8724211 BIG PINE KEY VIADUCT, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.80Mean Higher-High Water
MHW0.67Mean High Water
MTL0.43Mean Tide Level
MSL0.44Mean Sea Level
DTL0.40Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.28North American Vertical Datum of 1988
STND-2.74Station Datum
GT0.80Great Diurnal Range
MN0.49Mean Range of Tide
DHQ0.13Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
02/01/1975 - 02/28/1975
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723918 TOMS HARBOR CHANNEL, FL

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