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Datums for 9438478, Seaside OR


Elevations on Station Datum

Station: 9438478, Seaside, OR
Status: Accepted (Mar 24 2014)
Units: Feet
Control Station: 9439040 Astoria, OR
T.M.: 120
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW20.84Mean Higher-High Water
MHW20.09Mean High Water
MTLMean Tide Level
MSLMean Sea Level
DTLMean Diurnal Tide Level
MLWMean Low Water
MLLWMean Lower-Low Water
NAVD8812.79North American Vertical Datum of 1988
STND0.00Station Datum
GTGreat Diurnal Range
MNMean Range of Tide
DHQ0.75Mean Diurnal High Water Inequality
DLQMean Diurnal Low Water Inequality
HWI8.38Greenwich High Water Interval (in hours)
LWIGreenwich 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
06/01/2013 - 08/31/2013




Products available at 9438478 Seaside, OR

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services