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Datums for 8665530, Charleston, Cooper River Entrance SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8665530, Charleston, Cooper River Entrance, SC
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.76Mean Higher-High Water
MHW5.40Mean High Water
MTL2.79Mean Tide Level
MSL2.92Mean Sea Level
DTL2.88Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.14North American Vertical Datum of 1988
STND-2.77Station Datum
GT5.76Great Diurnal Range
MN5.22Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI0.41Greenwich High Water Interval (in hours)
LWI6.63Greenwich Low Water Interval (in hours)
Max Tide12.52Highest Observed Tide
Max Tide Date & Time09/21/1989 23:42Highest Observed Tide Date & Time
Min Tide-4.09Lowest Observed Tide
Min Tide Date & Time03/13/1993 19:24Lowest Observed Tide Date & Time
HAT7.26Highest Astronomical Tide
HAT Date & Time10/16/1993 13:06HAT Date and Time
LAT-1.52Lowest Astronomical Tide
LAT Date & Time02/09/2001 07:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8665530 Charleston, Cooper River Entrance, SC

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