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Current Datum Value: 30.43

Datums for 8655875, Sea Level NC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8655875, Sea Level, NC
Status: Accepted (May 24 2005)
Units: Feet
Control Station: 8656483 Beaufort, Duke Marine Lab, NC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.72Mean Higher-High Water
MHW0.68Mean High Water
MTL0.39Mean Tide Level
MSL0.39Mean Sea Level
DTL0.36Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.73North American Vertical Datum of 1988
STND-30.43Station Datum
GT0.72Great Diurnal Range
MN0.57Mean Range of Tide
DHQ0.04Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWI4.63Greenwich High Water Interval (in hours)
LWI10.97Greenwich 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
HAT0.99Highest Astronomical Tide
HAT Date & Time11/14/1985 17:24HAT Date and Time
LAT-0.07Lowest Astronomical Tide
LAT Date & Time12/13/1985 10:12LAT Date and Time
Tidal Datum Analysis Periods
05/01/2004 - 06/30/2004




Products available at 8655875 Sea Level, NC

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services