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Current Datum Value: 5.59

Datums for 8638999, Cape Henry VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638999, Cape Henry, VA
Status: Accepted (Jul 20 2004)
Units: Feet
Control Station: 8638863 Chesapeake Bay Bridge Tunnel, VA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.50Mean Higher-High Water
MHW3.24Mean High Water
MTL1.68Mean Tide Level
MSL1.70Mean Sea Level
DTL1.75Mean Diurnal Tide Level
MLW0.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-5.59Station Datum
GT3.50Great Diurnal Range
MN3.12Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI0.33Greenwich High Water Interval (in hours)
LWI6.67Greenwich 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
06/01/1982 - 06/30/1982




Products available at 8638999 Cape Henry, VA

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