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Current Datum Value: 1.36

Datums for 8446009, BRANT ROCK, GREEN HARBOR RIVER MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8446009, BRANT ROCK, GREEN HARBOR RIVER, MA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8443970 Boston, MA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.87Mean Higher-High Water
MHW9.43Mean High Water
MTL4.89Mean Tide Level
MSL4.95Mean Sea Level
DTL4.94Mean Diurnal Tide Level
MLW0.35Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.36Station Datum
GT9.87Great Diurnal Range
MN9.08Mean Range of Tide
DHQ0.45Mean Diurnal High Water Inequality
DLQ0.35Mean Diurnal Low Water Inequality
HWI3.82Greenwich High Water Interval (in hours)
LWI9.98Greenwich 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
06/01/1990 - 08/31/1990




Products available at 8446009 BRANT ROCK, GREEN HARBOR RIVER, MA

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