Datums for 9442705, Tskawahyah Island, Cape Alava


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9442705, Tskawahyah Island, Cape Alava
Status: Accepted (Oct 28 2016)
Units: Feet
Control Station: 9443090 Neah Bay, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.71Mean Higher-High Water
MHW7.97Mean High Water
MTL4.71Mean Tide Level
MSL4.67Mean Sea Level
DTL4.36Mean Diurnal Tide Level
MLW1.46Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-22.21Station Datum
GT8.71Great Diurnal Range
MN6.51Mean Range of Tide
DHQ0.74Mean Diurnal High Water Inequality
DLQ1.46Mean Diurnal Low Water Inequality
HWI8.28Greenwich High Water Interval (in hours)
LWI2.00Greenwich 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
06/01/2016 - 08/31/2016




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