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Datums for 9462808, Scotch Cap, Unimak Island, AK AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462808, Scotch Cap, Unimak Island, AK, AK
Status: Accepted (Apr 19 2010)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.18Mean Higher-High Water
MHW5.63Mean High Water
MTL3.62Mean Tide Level
MSL3.62Mean Sea Level
DTL3.09Mean Diurnal Tide Level
MLW1.62Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.49Station Datum
GT6.18Great Diurnal Range
MN4.00Mean Range of Tide
DHQ0.55Mean Diurnal High Water Inequality
DLQ1.62Mean Diurnal Low Water Inequality
HWI0.02Greenwich High Water Interval (in hours)
LWI6.09Greenwich 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
05/01/2009 - 08/31/2009




Products available at 9462808 Scotch Cap, Unimak Island, AK, AK

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