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Current Datum Value: 4.09

Datums for 8572770, Matapeake MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8572770, Matapeake, MD
Status: Accepted (Apr 24 2003)
Units: Feet
Control Station: 8574680 Baltimore, Fort McHenry, Patapsco River, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.48Mean Higher-High Water
MHW1.23Mean High Water
MTL0.72Mean Tide Level
MSL0.74Mean Sea Level
DTL0.74Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.89North American Vertical Datum of 1988
STND-4.09Station Datum
GT1.49Great Diurnal Range
MN1.02Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI10.03Greenwich High Water Interval (in hours)
LWI3.89Greenwich Low Water Interval (in hours)
Max Tide4.51Highest Observed Tide
Max Tide Date & Time09/15/1979 00:00Highest Observed Tide Date & Time
Min Tide-3.61Lowest Observed Tide
Min Tide Date & Time04/05/1975 00:00Lowest 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
01/01/1979 - 12/31/1983




Products available at 8572770 Matapeake, MD

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