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Datums for 8723688, ROCK HARBOR INSIDE FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723688, ROCK HARBOR INSIDE, FL
Status: Accepted (May 3 2004)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.50Mean Higher-High Water
MHW2.35Mean High Water
MTL1.29Mean Tide Level
MSL1.30Mean Sea Level
DTL1.25Mean Diurnal Tide Level
MLW0.23Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.23North American Vertical Datum of 1988
STND-1.41Station Datum
GT2.50Great Diurnal Range
MN2.12Mean Range of Tide
DHQ0.16Mean Diurnal High Water Inequality
DLQ0.23Mean Diurnal Low Water Inequality
HWI1.40Greenwich High Water Interval (in hours)
LWI7.50Greenwich 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 - 03/31/1975
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723688 ROCK HARBOR INSIDE, FL

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