Datums for 9456525, SW Iniskin Bay


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9456525, SW Iniskin Bay
Status: Accepted (Apr 12 2023)
Units: Feet
Control Station: 9455500 Seldovia, AK
T.M.: 0
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW14.74Mean Higher-High Water
MHW13.87Mean High Water
MTL7.69Mean Tide Level
MSL7.73Mean Sea Level
DTL7.37Mean Diurnal Tide Level
MLW1.51Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.83North American Vertical Datum of 1988
STND-37.25Station Datum
GT14.74Great Diurnal Range
MN12.36Mean Range of Tide
DHQ0.88Mean Diurnal High Water Inequality
DLQ1.51Mean Diurnal Low Water Inequality
HWI11.39Greenwich High Water Interval (in hours)
LWI5.04Greenwich 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
HAT19.18Highest Astronomical Tide
HAT Date & Time11/15/2016 23:48HAT Date and Time
LAT-4.83Lowest Astronomical Tide
LAT Date & Time05/27/2021 18:12LAT Date and Time
Tidal Datum Analysis Periods
06/01/2022 - 08/31/2022




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