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

Datums for 9457292, Kodiak Island AK


NOTICE: This stations datums are computed using the 5-year Modified Procedure

Elevations on Mean Lower Low Water

Station: 9457292, Kodiak Island, AK
Status: Accepted (Feb 6 2018)
Units: Feet
Control Station:
T.M.: 0
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW8.77Mean Higher-High Water
MHW7.87Mean High Water
MTL4.48Mean Tide Level
MSL4.50Mean Sea Level
DTL4.41Mean Diurnal Tide Level
MLW1.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.88North American Vertical Datum of 1988
STND-25.27Station Datum
GT8.78Great Diurnal Range
MN6.78Mean Range of Tide
DHQ0.90Mean Diurnal High Water Inequality
DLQ1.10Mean Diurnal Low Water Inequality
HWI10.60Greenwich High Water Interval (in hours)
LWI4.26Greenwich Low Water Interval (in hours)
Max Tide13.59Highest Observed Tide
Max Tide Date & Time12/31/1986 22:18Highest Observed Tide Date & Time
Min Tide-3.87Lowest Observed Tide
Min Tide Date & Time12/14/2008 05:42Lowest Observed Tide Date & Time
HAT11.47Highest Astronomical Tide
HAT Date & Time12/03/1990 22:54HAT Date and Time
LAT-2.62Lowest Astronomical Tide
LAT Date & Time05/25/1990 17:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1985 - 12/31/2001
01/01/2012 - 12/31/2016




Products available at 9457292 Kodiak Island, AK

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