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Datums for 8519050, USCG Station NY NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8519050, USCG Station NY, NY
Status: Accepted (Dec 4 2014)
Units: Feet
Control Station: 8518750 The Battery, NY
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.99Mean Higher-High Water
MHW4.67Mean High Water
MTL2.44Mean Tide Level
MSL2.52Mean Sea Level
DTL2.50Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.71North American Vertical Datum of 1988
STND-24.19Station Datum
GT4.98Great Diurnal Range
MN4.47Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI0.48Greenwich High Water Interval (in hours)
LWI6.81Greenwich 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
HAT6.36Highest Astronomical Tide
HAT Date & Time10/16/1993 12:54HAT Date and Time
LAT-1.31Lowest Astronomical Tide
LAT Date & Time01/21/1996 19:42LAT Date and Time
Tidal Datum Analysis Periods
05/01/2014 - 07/31/2014




Products available at 8519050 USCG Station NY, NY

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