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Datums for 9450753, Magnetic Point, Union Bay, Earnest Sound AK


Elevations on Station Datum

Station: 9450753, Magnetic Point, Union Bay, Earnest Sound, AK
Status: Accepted (Jul 30 2009)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW8.33Mean Higher-High Water
MHW7.44Mean High Water
MTL0.65Mean Tide Level
MSL0.62Mean Sea Level
DTL0.31Mean Diurnal Tide Level
MLW-6.14Mean Low Water
MLLW-7.71Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT16.04Great Diurnal Range
MN13.59Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.56Mean Diurnal Low Water Inequality
HWI9.50Greenwich High Water Interval (in hours)
LWI3.08Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
05/01/2009 - 05/31/2009




Products available at 9450753 Magnetic Point, Union Bay, Earnest Sound, AK

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