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Datums for 8723689, POINT CHARLES, KEY LARGO FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723689, POINT CHARLES, KEY LARGO, FL
Status: Accepted (May 3 2004)
Units: Feet
Control Station: 8723747 TAVERNIER HAWK CHANNEL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.37Mean Higher-High Water
MHW2.28Mean High Water
MTL1.23Mean Tide Level
MSL1.25Mean Sea Level
DTL1.19Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.12North American Vertical Datum of 1988
STND-1.82Station Datum
GT2.37Great Diurnal Range
MN2.09Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI1.50Greenwich High Water Interval (in hours)
LWI7.57Greenwich 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
05/01/1975 - 07/31/1975
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723689 POINT CHARLES, KEY LARGO, FL

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