Datums for 8652547, Roanoke Marshes Light NC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8652547, Roanoke Marshes Light, NC
Status: Accepted (May 14 2003)
Units: Feet
Control Station: 8652587 Oregon Inlet Marina, NC
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.60Mean Higher-High Water
MHW0.51Mean High Water
MTL0.31Mean Tide Level
MSL0.31Mean Sea Level
DTL0.30Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.18Station Datum
GT0.59Great Diurnal Range
MN0.40Mean Range of Tide
DHQ0.08Mean Diurnal High Water Inequality
DLQ0.10Mean 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
HAT0.73Highest Astronomical Tide
HAT Date & Time09/20/2016 17:54HAT Date and Time
LAT-0.10Lowest Astronomical Tide
LAT Date & Time01/14/2024 11:30LAT Date and Time
Tidal Datum Analysis Periods
06/01/2002 - 09/30/2002




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