Notice: Data collected are from NC Department of Public Safety, Division of Emergency Management that are subject to NOAA's National Ocean Service (NOS) routine quality assurance procedures on a monthly basis with data available for the previous month. For access to real time data at this station, visit NCDPS Flood Inundation Mapping and Alert Network at https://fiman.nc.gov/.

Datums for 8652827, North Fork Alligator River NC 94 NC

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8652827, North Fork Alligator River NC 94, NC
Status: Accepted (Oct 04 2024)
Units: Feet
Control Station: 8654467 USCG Station Hatteras, NC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.71Mean Higher-High Water
MHW0.58Mean High Water
MTL0.35Mean Tide Level
MSL0.35Mean Sea Level
DTL0.35Mean Diurnal Tide Level
MLW0.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.46North American Vertical Datum of 1988
STND0.49Station Datum
GT0.71Great Diurnal Range
MN0.47Mean Range of Tide
DHQ0.13Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
02/01/2023 - 05/31/2023


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