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Datums for 8658559, WILMINGTON BEACH NC


Elevations on Station Datum

Station: 8658559, WILMINGTON BEACH, NC
Status: Accepted (May 20 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW9.71Mean Higher-High Water
MHW9.37Mean High Water
MTL7.27Mean Tide Level
MSL7.26Mean Sea Level
DTL7.36Mean Diurnal Tide Level
MLW5.16Mean Low Water
MLLW5.01Mean Lower-Low Water
NAVD887.97North American Vertical Datum of 1988
STND0.00Station Datum
GT4.70Great Diurnal Range
MN4.21Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI0.05Greenwich High Water Interval (in hours)
LWI6.13Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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
03/01/1977 - 06/30/1977
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8658559 WILMINGTON BEACH, NC

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