Datums for 9463502, Port Moller AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9463502, Port Moller, AK
Status: Accepted (Oct 30 2020)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.48Mean Higher-High Water
MHW9.61Mean High Water
MTL5.90Mean Tide Level
MSL5.85Mean Sea Level
DTL5.24Mean Diurnal Tide Level
MLW2.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-29.20Station Datum
GT10.48Great Diurnal Range
MN7.44Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ2.18Mean Diurnal Low Water Inequality
HWI7.26Greenwich High Water Interval (in hours)
LWI1.09Greenwich Low Water Interval (in hours)
Max Tide14.23Highest Observed Tide
Max Tide Date & Time12/27/2007 22:18Highest Observed Tide Date & Time
Min Tide-4.52Lowest Observed Tide
Min Tide Date & Time12/13/2008 13:12Lowest Observed Tide Date & Time
HAT12.65Highest Astronomical Tide
HAT Date & Time11/29/1999 00:18HAT Date and Time
LAT-3.19Lowest Astronomical Tide
LAT Date & Time12/31/1986 12:36LAT Date and Time
Tidal Datum Analysis Periods
07/01/2007 - 06/30/2010
09/01/2010 - 08/31/2016




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