Datums for 8659084, Southport NC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8659084, Southport, NC
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8665530 Charleston, SC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.73Mean Higher-High Water
MHW4.40Mean High Water
MTL2.28Mean Tide Level
MSL2.32Mean Sea Level
DTL2.37Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.78North American Vertical Datum of 1988
STND-10.67Station Datum
GT4.73Great Diurnal Range
MN4.24Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI0.55Greenwich High Water Interval (in hours)
LWI6.73Greenwich Low Water Interval (in hours)
Max Tide6.88Highest Observed Tide
Max Tide Date & Time12/02/1986 08:24Highest Observed Tide Date & Time
Min Tide-2.03Lowest Observed Tide
Min Tide Date & Time03/18/1980 14:54Lowest Observed Tide Date & Time
HAT5.85Highest Astronomical Tide
HAT Date & Time11/27/2038 13:06HAT Date and Time
LAT-0.75Lowest Astronomical Tide
LAT Date & Time03/31/2033 19:12LAT Date and Time
Tidal Datum Analysis Periods
01/01/1978 - 12/31/1987




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