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

Datums for 8724507, CHANNEL KEY FL


Elevations on Station Datum

Station: 8724507, CHANNEL KEY, FL
Status: Accepted (Jul 31 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW4.67Mean Higher-High Water
MHW4.37Mean High Water
MTL3.93Mean Tide Level
MSL3.93Mean Sea Level
DTL4.00Mean Diurnal Tide Level
MLW3.48Mean Low Water
MLLW3.32Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.35Great Diurnal Range
MN0.89Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI5.92Greenwich High Water Interval (in hours)
LWI11.51Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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
01/01/1974 - 04/30/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724507 CHANNEL KEY, FL

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