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Datums for 9435380, South Beach OR


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9435380, South Beach, OR
Status: Accepted (Oct 16 2015)
Units: Feet
Control Station:
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.34Mean Higher-High Water
MHW7.64Mean High Water
MTL4.51Mean Tide Level
MSL4.45Mean Sea Level
DTL4.17Mean Diurnal Tide Level
MLW1.38Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.77North American Vertical Datum of 1988
STND-4.57Station Datum
GT8.34Great Diurnal Range
MN6.27Mean Range of Tide
DHQ0.70Mean Diurnal High Water Inequality
DLQ1.38Mean Diurnal Low Water Inequality
HWI7.97Greenwich High Water Interval (in hours)
LWI1.69Greenwich Low Water Interval (in hours)
Max Tide12.43Highest Observed Tide
Max Tide Date & Time12/11/1969 12:00Highest Observed Tide Date & Time
Min Tide-3.34Lowest Observed Tide
Min Tide Date & Time06/01/1973 06:00Lowest Observed Tide Date & Time
HAT10.59Highest Astronomical Tide
HAT Date & Time12/31/1986 19:42HAT Date and Time
LAT-3.03Lowest Astronomical Tide
LAT Date & Time06/13/1991 14:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 9435380 South Beach, OR

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