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Datums for 9457493, SW Terror Bay AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9457493, SW Terror Bay, AK
Status: Accepted (Dec 17 2014)
Units: Feet
Control Station: 9457804 Alitak, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW14.15Mean Higher-High Water
MHW13.25Mean High Water
MTL7.45Mean Tide Level
MSL7.39Mean Sea Level
DTL7.07Mean Diurnal Tide Level
MLW1.65Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND1.72Station 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)
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
HAT18.40Highest Astronomical Tide
HAT Date & Time11/13/1985 23:18HAT Date and Time
LAT-4.54Lowest 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