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Datums for 8724409, INNER NARROWS FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724409, INNER NARROWS, FL
Status: Accepted (Aug 1 2003)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.18Mean Higher-High Water
MHW1.94Mean High Water
MTL1.07Mean Tide Level
MSL0.97Mean Sea Level
DTL1.09Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.21Station Datum
GT2.18Great Diurnal Range
MN1.74Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI6.18Greenwich High Water Interval (in hours)
LWI1.63Greenwich 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
09/01/1974 - 10/31/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724409 INNER NARROWS, FL

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