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Datums for 9458907, Castle Bay AK


Elevations on Station Datum

Station: 9458907, Castle Bay, AK
Status: Accepted (Apr 17 2003)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW31.63Mean Higher-High Water
MHW30.81Mean High Water
MTL27.53Mean Tide Level
MSL27.45Mean Sea Level
DTL27.22Mean Diurnal Tide Level
MLW24.24Mean Low Water
MLLW22.81Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT8.82Great Diurnal Range
MN6.57Mean Range of Tide
DHQ0.81Mean Diurnal High Water Inequality
DLQ1.43Mean Diurnal Low Water Inequality
HWI11.22Greenwich High Water Interval (in hours)
LWI5.10Greenwich 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
HAT34.34Highest Astronomical Tide
HAT Date & Time12/12/1985 22:54HAT Date and Time
LAT19.56Lowest Astronomical Tide
LAT Date & Time06/22/1986 17:36LAT Date and Time
Tidal Datum Analysis Periods
07/01/2001 - 07/31/2001




Products available at 9458907 Castle Bay, AK

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