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Datums for 9454777, CHENEGA ISLAND (S.W. END) AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454777, CHENEGA ISLAND (S.W. END), AK
Status: Accepted (Jun 2 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.82Mean Higher-High Water
MHW10.92Mean High Water
MTL6.21Mean Tide Level
MSL6.30Mean Sea Level
DTL5.91Mean Diurnal Tide Level
MLW1.49Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.29Station Datum
GT11.81Great Diurnal Range
MN9.42Mean Range of Tide
DHQ0.90Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.04Greenwich High Water Interval (in hours)
LWI3.72Greenwich 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
09/03/1996 - 10/29/1996




Products available at 9454777 CHENEGA ISLAND (S.W. END), AK

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