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Current Datum Value: 5.38

Datums for 8452154, Bristol Highlands RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8452154, Bristol Highlands, RI
Status: Accepted (Dec 30 2015)
Units: Feet
Control Station: 8454000 Providence, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.53Mean Higher-High Water
MHW4.29Mean High Water
MTL2.23Mean Tide Level
MSL2.08Mean Sea Level
DTL2.27Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.35North American Vertical Datum of 1988
STND-5.38Station Datum
GT4.53Great Diurnal Range
MN4.13Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.45Greenwich High Water Interval (in hours)
LWI5.85Greenwich 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
HAT5.86Highest Astronomical Tide
HAT Date & Time10/16/1993 13:00HAT Date and Time
LAT-1.06Lowest Astronomical Tide
LAT Date & Time02/09/1997 19:30LAT Date and Time
Tidal Datum Analysis Periods
04/01/2015 - 08/31/2015




Products available at 8452154 Bristol Highlands, RI

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