NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

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 8450948, ANTHONY POINT RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8450948, ANTHONY POINT, RI
Status: Accepted (Mar 30 2004)
Units: Feet
Control Station: 8454000 Providence, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.20Mean Higher-High Water
MHW3.93Mean High Water
MTL2.06Mean Tide Level
MSL1.91Mean Sea Level
DTL2.10Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.94Station Datum
GT4.20Great Diurnal Range
MN3.75Mean Range of Tide
DHQ0.27Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI0.27Greenwich High Water Interval (in hours)
LWI5.90Greenwich 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
10/01/1977 - 10/31/1977




Products available at 8450948 ANTHONY POINT, RI

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