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Datums for 9450998, Dry Pass, EL Capitan Passage AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450998, Dry Pass, 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
MHHW11.75Mean Higher-High Water
MHW10.92Mean High Water
MTL6.16Mean Tide Level
MSL6.14Mean Sea Level
DTL5.87Mean Diurnal Tide Level
MLW1.40Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.28Station Datum
GT11.74Great Diurnal Range
MN9.53Mean Range of Tide
DHQ0.82Mean Diurnal High Water Inequality
DLQ1.39Mean Diurnal Low Water Inequality
HWI9.50Greenwich High Water Interval (in hours)
LWI3.24Greenwich 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 9450998 Dry Pass, EL Capitan Passage, AK

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