Datums for 8455083, POINT JUDITH, HARBOR OF REFUGE RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8455083, POINT JUDITH, HARBOR OF REFUGE, RI
Status: Superseded (Apr 17 2003) (Accepted May 2 1997)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW3.44Mean Higher-High Water
MHW3.18Mean High Water
MTL1.65Mean Tide Level
MSL1.57Mean Sea Level
DTL1.72Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.01Station Datum
GT3.44Great Diurnal Range
MN3.05Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI0.29Greenwich High Water Interval (in hours)
LWI6.47Greenwich 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
HAT4.62Highest Astronomical Tide
HAT Date & Time10/09/2029 13:24HAT Date and Time
LAT-1.06Lowest Astronomical Tide
LAT Date & Time02/20/2015 07:24LAT Date and Time
Tidal Datum Analysis Periods
08/01/1987 - 10/31/1987




Products available at 8455083 POINT JUDITH, HARBOR OF REFUGE, RI