Datums for 8537121, Ship John Shoal NJ


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8537121, Ship John Shoal, NJ
Status: Accepted (Jul 19 2016)
Units: Feet
Control Station: 8551910 Reedy Point, DE
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.23Mean Higher-High Water
MHW5.81Mean High Water
MTL2.99Mean Tide Level
MSL3.06Mean Sea Level
DTL3.12Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-18.39Station Datum
GT6.23Great Diurnal Range
MN5.63Mean Range of Tide
DHQ0.42Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI2.43Greenwich High Water Interval (in hours)
LWI9.06Greenwich Low Water Interval (in hours)
Max Tide9.44Highest Observed Tide
Max Tide Date & Time12/21/2012 09:30Highest Observed Tide Date & Time
Min Tide-3.10Lowest Observed Tide
Min Tide Date & Time01/04/2010 00:00Lowest Observed Tide Date & Time
HAT7.81Highest Astronomical Tide
HAT Date & Time05/26/1994 03:06HAT Date and Time
LAT-1.34Lowest Astronomical Tide
LAT Date & Time01/21/1996 22:06LAT Date and Time
Tidal Datum Analysis Periods
05/01/2003 - 04/30/2008
12/01/2009 - 11/30/2015




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