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Current Datum Value: 5.15

Datums for 8516990, Willets Point NY


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8516990, Willets Point, NY
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.79Mean Higher-High Water
MHW7.42Mean High Water
MTL3.85Mean Tide Level
MSL3.88Mean Sea Level
DTL3.89Mean Diurnal Tide Level
MLW0.28Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD884.07North American Vertical Datum of 1988
STND-5.15Station Datum
GT7.78Great Diurnal Range
MN7.15Mean Range of Tide
DHQ0.36Mean Diurnal High Water Inequality
DLQ0.28Mean Diurnal Low Water Inequality
HWI4.05Greenwich High Water Interval (in hours)
LWI10.77Greenwich Low Water Interval (in hours)
Max Tide16.75Highest Observed Tide
Max Tide Date & Time09/21/1938 20:00Highest Observed Tide Date & Time
Min Tide-4.30Lowest Observed Tide
Min Tide Date & Time01/10/1978 19:00Lowest Observed Tide Date & Time
HAT9.47Highest Astronomical Tide
HAT Date & Time10/16/1993 16:12HAT Date and Time
LAT-1.52Lowest Astronomical Tide
LAT Date & Time01/21/1996 23:36LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2000
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8516990 Willets Point, NY

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