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Datums for 8658120, Wilmington NC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8658120, Wilmington, NC
Status: Accepted (Oct 6 2017)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.68Mean Higher-High Water
MHW4.43Mean High Water
MTL2.29Mean Tide Level
MSL2.44Mean Sea Level
DTL2.34Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.60North American Vertical Datum of 1988
STND-2.45Station Datum
GT4.68Great Diurnal Range
MN4.28Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI2.38Greenwich High Water Interval (in hours)
LWI9.10Greenwich Low Water Interval (in hours)
Max Tide5.72Highest Observed Tide
Max Tide Date & Time10/08/2016 19:48Highest Observed Tide Date & Time
Min Tide-4.31Lowest Observed Tide
Min Tide Date & Time02/12/1981 10:30Lowest Observed Tide Date & Time
HAT5.65Highest Astronomical Tide
HAT Date & Time04/08/1993 03:12HAT Date and Time
LAT-0.67Lowest Astronomical Tide
LAT Date & Time01/21/1996 09:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 8658120 Wilmington, NC

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