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Datums for 8662931, WACCAMAW RIVER ENTRANCE SC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8662931, WACCAMAW RIVER ENTRANCE, SC
Status: Accepted (Jun 12 2003)
Units: Feet
Control Station: 8662746 WINYAH BAY, SOUTH ISLAND PLANTATION, SC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.97Mean Higher-High Water
MHW3.71Mean High Water
MTL1.91Mean Tide Level
MSL1.99Mean Sea Level
DTL1.99Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.81North American Vertical Datum of 1988
STND-6.39Station Datum
GT3.96Great Diurnal Range
MN3.60Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI1.74Greenwich High Water Interval (in hours)
LWI8.82Greenwich Low Water Interval (in hours)
Max Tide4.75Highest Observed Tide
Max Tide Date & Time02/09/1978 10:48Highest Observed Tide Date & Time
Min Tide-3.32Lowest Observed Tide
Min Tide Date & Time02/22/1978 03:18Lowest Observed Tide Date & Time
HAT4.77Highest Astronomical Tide
HAT Date & Time10/16/1993 14:24HAT Date and Time
LAT-0.93Lowest Astronomical Tide
LAT Date & Time02/09/1997 10:06LAT Date and Time
Tidal Datum Analysis Periods
10/01/1977 - 09/30/1978
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8662931 WACCAMAW RIVER ENTRANCE, SC

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