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Datums for 8511907, Greenport NY


Elevations on Station Datum

Station: 8511907, Greenport, NY
Status: Accepted (Nov 3 2014)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW28.25Mean Higher-High Water
MHW27.97Mean High Water
MTL26.75Mean Tide Level
MSL26.80Mean Sea Level
DTL26.80Mean Diurnal Tide Level
MLW25.53Mean Low Water
MLLW25.35Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT2.90Great Diurnal Range
MN2.44Mean Range of Tide
DHQ0.28Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI3.21Greenwich High Water Interval (in hours)
LWI9.28Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT29.04Highest Astronomical Tide
HAT Date & Time10/15/1989 15:12HAT Date and Time
LAT24.59Lowest Astronomical Tide
LAT Date & Time01/21/1996 22:12LAT Date and Time
Tidal Datum Analysis Periods
05/01/2014 - 07/31/2014




Products available at 8511907 Greenport, NY

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services