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Datums for 9454642, LOUIS BAY AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454642, LOUIS BAY, AK
Status: Accepted (Mar 28 2011)
Units: Feet
Control Station: 9454240 Valdez, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW12.06Mean Higher-High Water
MHW11.17Mean High Water
MTL6.37Mean Tide Level
MSL6.48Mean Sea Level
DTL6.03Mean Diurnal Tide Level
MLW1.57Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND2.40Station Datum
GT12.06Great Diurnal Range
MN9.61Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.56Mean Diurnal Low Water Inequality
HWI10.05Greenwich High Water Interval (in hours)
LWI3.77Greenwich 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
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: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services