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Current Datum Value: 20.87

Datums for 8447386, Fall River MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447386, Fall River, MA
Status: Accepted (Aug 29 2018)
Units: Feet
Control Station: 8454000 Providence, RI
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.77Mean Higher-High Water
MHW4.53Mean High Water
MTL2.35Mean Tide Level
MSL2.20Mean Sea Level
DTL2.38Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.41North American Vertical Datum of 1988
STND-20.87Station Datum
GT4.78Great Diurnal Range
MN4.36Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.57Greenwich High Water Interval (in hours)
LWI5.96Greenwich Low Water Interval (in hours)
Max Tide8.94Highest Observed Tide
Max Tide Date & Time10/29/2012 23:42Highest Observed Tide Date & Time
Min Tide-2.56Lowest Observed Tide
Min Tide Date & Time02/11/2001 21:12Lowest Observed Tide Date & Time
HAT6.30Highest Astronomical Tide
HAT Date & Time10/16/1993 13:06HAT Date and Time
LAT-1.13Lowest Astronomical Tide
LAT Date & Time02/08/1997 06:18LAT Date and Time
Tidal Datum Analysis Periods
08/01/2000 - 07/31/2013
09/01/2013 - 08/31/2016




Products available at 8447386 Fall River, MA

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