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Status: Superseded (Apr 17 2003) (Accepted Mar 24 1998)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW4.52Mean Higher-High Water
MHW4.28Mean High Water
MTL2.22Mean Tide Level
MSL2.33Mean Sea Level
DTL2.26Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.37Station Datum
GT4.52Great Diurnal Range
MN4.12Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI2.30Greenwich High Water Interval (in hours)
LWI9.30Greenwich Low Water Interval (in hours)
Max Tide9.10Highest Observed Tide
Max Tide Date & Time08/04/2020 05:00Highest Observed Tide Date & Time
Min Tide-1.78Lowest Observed Tide
Min Tide Date & Time02/12/1981 10:30Lowest Observed Tide Date & Time
HAT5.56Highest Astronomical Tide
HAT Date & Time04/19/2011 03:00HAT Date and Time
LAT-0.77Lowest Astronomical Tide
LAT Date & Time01/14/2036 09:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1961 - 12/31/1961
01/01/1963 - 12/31/1978




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