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Datums for 8669167, PORT ROYAL PLTN., HILTON HEAD SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8669167, PORT ROYAL PLTN., HILTON HEAD, SC
Status: Accepted (Feb 25 2004)
Units: Feet
Control Station: 8667630 EDISTO BEACH, EDISTO ISLAND, SC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.78Mean Higher-High Water
MHW6.32Mean High Water
MTL3.27Mean Tide Level
MSL3.35Mean Sea Level
DTL3.40Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.62North American Vertical Datum of 1988
STND-3.57Station Datum
GT6.78Great Diurnal Range
MN6.10Mean Range of Tide
DHQ0.47Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI0.53Greenwich High Water Interval (in hours)
LWI6.71Greenwich 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
07/01/1979 - 08/31/1979
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8669167 PORT ROYAL PLTN., HILTON HEAD, SC

Revised: 08/08/2018
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