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Current Datum Value: 4.26

Datums for 8638489, Puddledock VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638489, Puddledock, VA
Status: Accepted (Sep 17 2003)
Units: Feet
Control Station: 8638433 Scotland, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.17Mean Higher-High Water
MHW2.95Mean High Water
MTL1.55Mean Tide Level
MSL1.72Mean Sea Level
DTL1.59Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.84North American Vertical Datum of 1988
STND-4.26Station Datum
GT3.17Great Diurnal Range
MN2.80Mean Range of Tide
DHQ0.22Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI8.84Greenwich High Water Interval (in hours)
LWI3.08Greenwich 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
HAT4.20Highest Astronomical Tide
HAT Date & Time10/15/1989 21:00HAT Date and Time
LAT-0.65Lowest Astronomical Tide
LAT Date & Time01/12/1997 05:24LAT Date and Time
Tidal Datum Analysis Periods
08/11/2003 - 09/15/2003




Products available at 8638489 Puddledock, VA

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