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Datums for 9450997, EL Capitan Passage AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450997, EL Capitan Passage, AK
Status: Accepted (Jul 11 2014)
Units: Feet
Control Station: 9451054 Port Alexander, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.17Mean Higher-High Water
MHW10.34Mean High Water
MTL5.87Mean Tide Level
MSL5.86Mean Sea Level
DTL5.59Mean Diurnal Tide Level
MLW1.39Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.05Station Datum
GT11.16Great Diurnal Range
MN8.95Mean Range of Tide
DHQ0.82Mean Diurnal High Water Inequality
DLQ1.39Mean Diurnal Low Water Inequality
HWI9.39Greenwich High Water Interval (in hours)
LWI3.10Greenwich 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
07/01/2012 - 07/31/2012




Products available at 9450997 EL Capitan Passage, AK

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services