Datums for 8531545, KEYPORT, RARITAN BAY NJ


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8531545, KEYPORT, RARITAN BAY, NJ
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.56Mean Higher-High Water
MHW5.22Mean High Water
MTL2.72Mean Tide Level
MSL2.81Mean Sea Level
DTL2.78Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.88Station Datum
GT5.56Great Diurnal Range
MN5.00Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI0.29Greenwich High Water Interval (in hours)
LWI6.78Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods




Products available at 8531545 KEYPORT, RARITAN BAY, NJ