Datums for 8658145, Shinn Point


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8658145, Shinn Point
Status: Accepted (Jan 31 2023)
Units: Feet
Control Station: 8658163 Wrightsville Beach, NC
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.39Mean Higher-High Water
MHW4.05Mean High Water
MTL2.10Mean Tide Level
MSL2.14Mean Sea Level
DTL2.19Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.70North American Vertical Datum of 1988
STND-23.90Station Datum
GT4.39Great Diurnal Range
MN3.89Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI0.44Greenwich High Water Interval (in hours)
LWI6.58Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT5.75Highest Astronomical Tide
HAT Date & Time10/28/2011 13:36HAT Date and Time
LAT-1.37Lowest Astronomical Tide
LAT Date & Time02/01/2014 07:30LAT Date and Time
Tidal Datum Analysis Periods
01/01/2022 - 05/31/2022




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