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Datums for 9444122, Ediz Hook WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9444122, Ediz Hook, WA
Status: Accepted (Apr 30 2003)
Units: Feet
Control Station: 9447130 Seattle, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.00Mean Higher-High Water
MHW6.32Mean High Water
MTL4.28Mean Tide Level
MSL4.20Mean Sea Level
DTL3.50Mean Diurnal Tide Level
MLW2.24Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.32North American Vertical Datum of 1988
STND-4.06Station Datum
GT7.01Great Diurnal Range
MN4.08Mean Range of Tide
DHQ0.69Mean Diurnal High Water Inequality
DLQ2.24Mean Diurnal Low Water Inequality
HWI10.71Greenwich High Water Interval (in hours)
LWI4.45Greenwich Low Water Interval (in hours)
Max Tide8.52Highest Observed Tide
Max Tide Date & Time10/24/1976 00:00Highest Observed Tide Date & Time
Min Tide-4.10Lowest Observed Tide
Min Tide Date & Time06/30/1976 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
05/01/1976 - 04/30/1977
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9444122 Ediz Hook, WA

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