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Datums for 9454642, LOUIS BAY AK


Elevations on Station Datum

Station: 9454642, LOUIS BAY, AK
Status: Accepted (Mar 28 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW9.65Mean Higher-High Water
MHW8.77Mean High Water
MTL3.97Mean Tide Level
MSL4.08Mean Sea Level
DTL3.62Mean Diurnal Tide Level
MLW-0.83Mean Low Water
MLLW-2.40Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT12.06Great Diurnal Range
MN9.61Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.57Mean Diurnal Low Water Inequality
HWI10.05Greenwich High Water Interval (in hours)
LWI3.77Greenwich 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
08/01/1998 - 09/30/1998




Products available at 9454642 LOUIS BAY, AK

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