NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 9454949, Whittier AK


Elevations on Station Datum

Station: 9454949, Whittier, AK
Status: Accepted (Sep 8 2008)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW12.06Mean Higher-High Water
MHW11.14Mean High Water
MTL6.25Mean Tide Level
MSL6.39Mean Sea Level
DTL5.96Mean Diurnal Tide Level
MLW1.36Mean Low Water
MLLW-0.13Mean Lower-Low Water
NAVD880.92North American Vertical Datum of 1988
STND0.00Station Datum
GT12.19Great Diurnal Range
MN9.78Mean Range of Tide
DHQ0.92Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.06Greenwich High Water Interval (in hours)
LWI3.75Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT15.70Highest Astronomical Tide
HAT Date & Time11/13/1985 22:06HAT Date and Time
LAT-4.05Lowest Astronomical Tide
LAT Date & Time06/14/1995 17:00LAT Date and Time
Tidal Datum Analysis Periods
04/01/2007 - 01/31/2008




Products available at 9454949 Whittier, AK

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