Datums for 9468333, Unalakleet AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9468333, Unalakleet, AK
Status: Accepted (Mar 12 2020)
Units: Feet
Control Station: 9491094 Red Dog Dock
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.60Mean Higher-High Water
MHW2.34Mean High Water
MTL1.28Mean Tide Level
MSL1.19Mean Sea Level
DTL1.30Mean Diurnal Tide Level
MLW0.23Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88-2.66North American Vertical Datum of 1988
STND-2.11Station Datum
GT2.60Great Diurnal Range
MN2.12Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide11.29Highest Observed Tide
Max Tide Date & Time08/03/2019 20:30Highest Observed Tide Date & Time
Min Tide-2.00Lowest Observed Tide
Min Tide Date & Time11/11/2016 03:36Lowest 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
05/01/2017 - 04/30/2018




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