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Datums for 9457493, SW Terror Bay AK


Elevations on Station Datum

Station: 9457493, SW Terror Bay, AK
Status: Accepted (Dec 17 2014)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW12.43Mean Higher-High Water
MHW11.53Mean High Water
MTL5.73Mean Tide Level
MSL5.67Mean Sea Level
DTL5.35Mean Diurnal Tide Level
MLW-0.07Mean Low Water
MLLW-1.72Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT14.15Great Diurnal Range
MN11.60Mean Range of Tide
DHQ0.90Mean Diurnal High Water Inequality
DLQ1.65Mean Diurnal Low Water Inequality
HWI11.18Greenwich High Water Interval (in hours)
LWI5.03Greenwich 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
HAT16.68Highest Astronomical Tide
HAT Date & Time11/13/1985 23:18HAT Date and Time
LAT-6.26Lowest Astronomical Tide
LAT Date & Time05/25/1990 17:54LAT Date and Time
Tidal Datum Analysis Periods
09/01/2014 - 09/30/2014




Products available at 9457493 SW Terror Bay, AK

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