Datums for 8638901, CBBT, Chesapeake Channel VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638901, CBBT, Chesapeake Channel, VA
Status: Accepted (Oct 29 2020)
Units: Feet
Control Station: 8632200 Kiptopeke, VA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.01Mean Higher-High Water
MHW2.77Mean High Water
MTL1.44Mean Tide Level
MSL1.47Mean Sea Level
DTL1.50Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.45Station Datum
GT3.02Great Diurnal Range
MN2.66Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI0.67Greenwich High Water Interval (in hours)
LWI6.94Greenwich Low Water Interval (in hours)
Max Tide6.34Highest Observed Tide
Max Tide Date & Time01/03/2022 18:18Highest Observed Tide Date & Time
Min Tide-1.66Lowest Observed Tide
Min Tide Date & Time01/07/2018 04:30Lowest Observed Tide Date & Time
HAT3.97Highest Astronomical Tide
HAT Date & Time10/09/2029 13:54HAT Date and Time
LAT-0.80Lowest Astronomical Tide
LAT Date & Time01/14/2036 07:18LAT Date and Time
Tidal Datum Analysis Periods
09/01/2017 - 08/31/2019




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