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Current Datum Value: 3.98

Datums for 9437540, Garibaldi OR


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9437540, Garibaldi, OR
Status: Accepted (Apr 24 2018)
Units: Feet
Control Station: 9439040 Astoria, OR
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.32Mean Higher-High Water
MHW7.61Mean High Water
MTL4.49Mean Tide Level
MSL4.50Mean Sea Level
DTL4.16Mean Diurnal Tide Level
MLW1.37Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.98Station Datum
GT8.32Great Diurnal Range
MN6.24Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ1.37Mean Diurnal Low Water Inequality
HWI8.59Greenwich High Water Interval (in hours)
LWI2.09Greenwich Low Water Interval (in hours)
Max Tide11.93Highest Observed Tide
Max Tide Date & Time12/31/2005 19:54Highest Observed Tide Date & Time
Min Tide-3.46Lowest Observed Tide
Min Tide Date & Time11/26/2007 02:54Lowest Observed Tide Date & Time
HAT9.96Highest Astronomical Tide
HAT Date & Time05/25/1990 08:18HAT Date and Time
LAT-2.62Lowest Astronomical Tide
LAT Date & Time05/25/1990 15:06LAT Date and Time
Tidal Datum Analysis Periods
05/01/2007 - 04/30/2017




Products available at 9437540 Garibaldi, OR

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