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 (May 4 2021)
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
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.43North American Vertical Datum of 1988
STND-20.87Station Datum
GT4.78Great Diurnal Range
MN4.37Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.57Greenwich High Water Interval (in hours)
LWI5.97Greenwich 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
HAT6.19Highest Astronomical Tide
HAT Date & Time10/09/2033 13:12HAT Date and Time
LAT-1.10Lowest Astronomical Tide
LAT Date & Time03/02/2037 06:06LAT Date and Time
Tidal Datum Analysis Periods
08/01/2000 - 07/31/2013
09/01/2013 - 08/31/2018
12/01/2018 - 11/30/2019




Products available at 8447386 Fall River, MA