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Datums for 9455866, Point Possession AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455866, Point Possession, AK
Status: Accepted (Nov 9 2010)
Units: Feet
Control Station: 9455920 Anchorage, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW26.03Mean Higher-High Water
MHW25.36Mean High Water
MTL13.78Mean Tide Level
MSL14.26Mean Sea Level
DTL13.02Mean Diurnal Tide Level
MLW2.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.12Station Datum
GT26.04Great Diurnal Range
MN23.15Mean Range of Tide
DHQ0.67Mean Diurnal High Water Inequality
DLQ2.21Mean Diurnal Low Water Inequality
HWI2.97Greenwich High Water Interval (in hours)
LWI9.60Greenwich 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
08/02/2008 - 08/31/2008




Products available at 9455866 Point Possession, AK

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