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Current Datum Value: 3.14

Datums for 8573927, Chesapeake City MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8573927, Chesapeake City, MD
Status: Accepted (Sep 21 2012)
Units: Feet
Control Station: 8551910 Reedy Point, DE
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.21Mean Higher-High Water
MHW3.02Mean High Water
MTL1.62Mean Tide Level
MSL1.56Mean Sea Level
DTL1.60Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.14Station Datum
GT3.21Great Diurnal Range
MN2.80Mean Range of Tide
DHQ0.19Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI3.06Greenwich High Water Interval (in hours)
LWI9.54Greenwich Low Water Interval (in hours)
Max Tide8.67Highest Observed Tide
Max Tide Date & Time09/19/2003 13:18Highest Observed Tide Date & Time
Min Tide-3.72Lowest Observed Tide
Min Tide Date & Time04/05/1975 06:18Lowest Observed Tide Date & Time
HAT3.86Highest Astronomical Tide
HAT Date & Time09/19/1997 04:48HAT Date and Time
LAT-0.82Lowest Astronomical Tide
LAT Date & Time01/21/1996 10:30LAT Date and Time
Tidal Datum Analysis Periods
05/01/1981 - 04/30/1983
04/01/2004 - 03/31/2012




Products available at 8573927 Chesapeake City, MD

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