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Datums for 9447427, EDMONDS WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9447427, EDMONDS, WA
Status: Accepted (Aug 7 2003)
Units: Feet
Control Station: 9447130 Seattle, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.94Mean Higher-High Water
MHW10.07Mean High Water
MTL6.44Mean Tide Level
MSL6.43Mean Sea Level
DTL5.47Mean Diurnal Tide Level
MLW2.81Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.04Station Datum
GT10.94Great Diurnal Range
MN7.26Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ2.81Mean Diurnal Low Water Inequality
HWI0.38Greenwich High Water Interval (in hours)
LWI6.61Greenwich 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
10/01/1977 - 10/31/1977




Products available at 9447427 EDMONDS, WA

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