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

Datums for 9462721, Trident Bay, Akun Island AK


Elevations on Station Datum

Station: 9462721, Trident Bay, Akun Island, AK
Status: Accepted (Dec 6 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW30.38Mean Higher-High Water
MHW29.98Mean High Water
MTL28.39Mean Tide Level
MSL28.46Mean Sea Level
DTL28.31Mean Diurnal Tide Level
MLW26.81Mean Low Water
MLLW26.25Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT4.13Great Diurnal Range
MN3.17Mean Range of Tide
DHQ0.40Mean Diurnal High Water Inequality
DLQ0.56Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT32.37Highest Astronomical Tide
HAT Date & Time12/31/1986 22:42HAT Date and Time
LAT24.49Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:42LAT Date and Time
Tidal Datum Analysis Periods
08/01/2011 - 08/31/2011




Products available at 9462721 Trident Bay, Akun Island, AK

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