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Datums for 9490424, Kotzebue AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9490424, Kotzebue, AK
Status: Accepted (Apr 6 2016)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.71Mean Higher-High Water
MHW0.64Mean High Water
MTL0.39Mean Tide Level
MSL0.34Mean Sea Level
DTL0.36Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.41Station Datum
GT0.71Great Diurnal Range
MN0.51Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT0.92Highest Astronomical Tide
HAT Date & Time06/12/1988 14:36HAT Date and Time
LAT-0.14Lowest Astronomical Tide
LAT Date & Time06/28/1986 03:18LAT Date and Time
Tidal Datum Analysis Periods
07/01/2015 - 09/30/2015




Products available at 9490424 Kotzebue, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services