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Notice: We are experiencing a wide spread communication outage affecting the availability of water level and meteorological data for some of our stations, as well as several critical bridge clearance measurements. We are diligently working to resolve this data outage. Please direct all questions to tide.predictions@noaa.gov or call (301) 713-2815.

Datums for 8451351, SACHUEST, FLINT POINT RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8451351, SACHUEST, FLINT POINT, RI
Status: Accepted (May 3 2004)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.49Mean Higher-High Water
MHW3.26Mean High Water
MTL1.69Mean Tide Level
MSL1.56Mean Sea Level
DTL1.75Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.80Station Datum
GT3.49Great Diurnal Range
MN3.13Mean Range of Tide
DHQ0.23Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI0.19Greenwich High Water Interval (in hours)
LWI6.16Greenwich 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
08/01/1977 - 09/30/1977




Products available at 8451351 SACHUEST, FLINT POINT, RI

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