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Current Datum Value: 27.04

Datums for 8638671, Lafayette River VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638671, Lafayette River, VA
Status: Accepted (Nov 21 2011)
Units: Feet
Control Station: 8638610 Sewells Point, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.00Mean Higher-High Water
MHW2.80Mean High Water
MTL1.46Mean Tide Level
MSL1.48Mean Sea Level
DTL1.50Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-27.04Station Datum
GT3.01Great Diurnal Range
MN2.67Mean Range of Tide
DHQ0.21Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI1.65Greenwich High Water Interval (in hours)
LWI8.00Greenwich 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
03/01/2011 - 07/31/2011
09/01/2011 - 09/30/2011




Products available at 8638671 Lafayette River, VA

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