NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 9490096, Cape Espenberg, Kotzebue Sound AK


NOTICE OF PROVISIONAL DATUM These datums and any data referred to said datum are PROVISIONAL and subject to revision until they have been thoroughly reviewed and received final approval. Subsequent review based on field inspections and additional measurements may result in revisions to the data and datums. Data users are cautioned to consider the conditional nature of this information before using it for critical decisions such as those that concern physical or public safety. Only after meeting all standards for quality control assurance will the datums be classified as Accepted Datums.
NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9490096, Cape Espenberg, Kotzebue Sound, AK
Status: Accepted (Jan 12 2016)
Units: Feet
Control Station: 9491094 Red Dog Dock, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.99Mean Higher-High Water
MHW0.89Mean High Water
MTL0.53Mean Tide Level
MSL0.53Mean Sea Level
DTL0.50Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-152.82Station Datum
GT0.99Great Diurnal Range
MN0.72Mean Range of Tide
DHQ0.10Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI10.99Greenwich High Water Interval (in hours)
LWI4.91Greenwich 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
HAT1.22Highest Astronomical Tide
HAT Date & Time12/06/1998 00:00HAT Date and Time
LAT-0.27Lowest Astronomical Tide
LAT Date & Time01/23/1992 07:12LAT Date and Time
Tidal Datum Analysis Periods
07/01/2015 - 07/31/2015




Products available at 9490096 Cape Espenberg, Kotzebue Sound, AK

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