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Datums for 8638481, Hopewell VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638481, Hopewell, VA
Status: Accepted (Jan 17 2013)
Units: Feet
Control Station: 8638610 Sewells Point, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.82Mean Higher-High Water
MHW2.57Mean High Water
MTL1.34Mean Tide Level
MSL1.41Mean Sea Level
DTL1.41Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.36Station Datum
GT2.83Great Diurnal Range
MN2.45Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI7.97Greenwich High Water Interval (in hours)
LWI2.02Greenwich 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
HAT3.12Highest Astronomical Tide
HAT Date & Time09/28/1988 22:06HAT Date and Time
LAT-0.41Lowest Astronomical Tide
LAT Date & Time01/21/1996 14:48LAT Date and Time
Tidal Datum Analysis Periods
02/01/2012 - 04/30/2012




Products available at 8638481 Hopewell, VA

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