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Current Datum Value: 2.84

Datums for 9432879, SITKA DOCK, COOS BAY OR


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9432879, SITKA DOCK, COOS BAY, OR
Status: Accepted (Jun 25 2004)
Units: Feet
Control Station: 9432780 Charleston, OR
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.72Mean Higher-High Water
MHW7.06Mean High Water
MTL4.17Mean Tide Level
MSL4.18Mean Sea Level
DTL3.87Mean Diurnal Tide Level
MLW1.28Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.59North American Vertical Datum of 1988
STND-2.84Station Datum
GT7.72Great Diurnal Range
MN5.78Mean Range of Tide
DHQ0.67Mean Diurnal High Water Inequality
DLQ1.28Mean Diurnal Low Water Inequality
HWI8.04Greenwich High Water Interval (in hours)
LWI1.68Greenwich 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
09/01/1982 - 09/30/1982
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9432879 SITKA DOCK, COOS BAY, OR

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