Datums for 8657002, Sneads Ferry, New River


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8657002, Sneads Ferry, New River
Status: Accepted (Jan 31 2023)
Units: Feet
Control Station: 8656483 Beaufort, Duke Marine Lab, NC
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.73Mean Higher-High Water
MHW0.67Mean High Water
MTL0.39Mean Tide Level
MSL0.40Mean Sea Level
DTL0.37Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.69North American Vertical Datum of 1988
STND-20.93Station Datum
GT0.74Great Diurnal Range
MN0.57Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI1.76Greenwich High Water Interval (in hours)
LWI8.64Greenwich 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
HAT1.39Highest Astronomical Tide
HAT Date & Time10/09/2006 15:42HAT Date and Time
LAT-0.55Lowest Astronomical Tide
LAT Date & Time01/22/2023 08:36LAT Date and Time
Tidal Datum Analysis Periods
01/01/2022 - 05/31/2022




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