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Current Datum Value: 8.19

Datums for 9446291, Wauna WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9446291, Wauna, WA
Status: Accepted (Mar 2 2016)
Units: Feet
Control Station: 9446484 Tacoma, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW13.51Mean Higher-High Water
MHW12.58Mean High Water
MTL7.76Mean Tide Level
MSL7.64Mean Sea Level
DTL6.76Mean Diurnal Tide Level
MLW2.94Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-8.19Station Datum
GT13.50Great Diurnal Range
MN9.63Mean Range of Tide
DHQ0.93Mean Diurnal High Water Inequality
DLQ2.94Mean Diurnal Low Water Inequality
HWI0.99Greenwich High Water Interval (in hours)
LWI7.35Greenwich 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
HAT16.07Highest Astronomical Tide
HAT Date & Time01/01/1983 15:30HAT Date and Time
LAT-4.72Lowest Astronomical Tide
LAT Date & Time06/22/1986 19:24LAT Date and Time
Tidal Datum Analysis Periods
09/01/2015 - 11/30/2015




Products available at 9446291 Wauna, WA

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