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Datums for 9462721, Trident Bay, Akun Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462721, Trident Bay, Akun Island, AK
Status: Accepted (Dec 6 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.13Mean Higher-High Water
MHW3.73Mean High Water
MTL2.14Mean Tide Level
MSL2.21Mean Sea Level
DTL2.06Mean Diurnal Tide Level
MLW0.56Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-26.25Station 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)
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
HAT6.12Highest Astronomical Tide
HAT Date & Time12/31/1986 22:42HAT Date and Time
LAT-1.76Lowest 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