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Datums for 9451600, Sitka AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451600, Sitka, AK
Status: Accepted (Sep 30 2011)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.94Mean Higher-High Water
MHW9.16Mean High Water
MTL5.31Mean Tide Level
MSL5.29Mean Sea Level
DTL4.97Mean Diurnal Tide Level
MLW1.46Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.52Station Datum
GT9.94Great Diurnal Range
MN7.70Mean Range of Tide
DHQ0.78Mean Diurnal High Water Inequality
DLQ1.46Mean Diurnal Low Water Inequality
HWI9.52Greenwich High Water Interval (in hours)
LWI3.25Greenwich Low Water Interval (in hours)
Max Tide10.36Highest Observed Tide
Max Tide Date & Time11/02/1948 22:48Highest Observed Tide Date & Time
Min Tide-8.62Lowest Observed Tide
Min Tide Date & Time12/14/2008 04:24Lowest Observed Tide Date & Time
HAT12.78Highest Astronomical Tide
HAT Date & Time12/23/1999 21:36HAT Date and Time
LAT-3.26Lowest Astronomical Tide
LAT Date & Time06/23/1986 16:36LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 9451600 Sitka, AK

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