Datums for 9450314, Metlakatla, Port Chester, AK AK

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450314, Metlakatla, Port Chester, AK, AK
Status: Accepted (Apr 22 2010)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
MHHW14.87Mean Higher-High Water
MHW13.98Mean High Water
MTL7.76Mean Tide Level
MSL7.75Mean Sea Level
DTL7.43Mean Diurnal Tide Level
MLW1.55Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-9.79Station Datum
GT14.86Great Diurnal Range
MN12.43Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.55Mean Diurnal Low Water Inequality
HWI9.35Greenwich High Water Interval (in hours)
LWI3.07Greenwich 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
HAT18.87Highest Astronomical Tide
HAT Date & Time11/27/2038 21:36HAT Date and Time
LAT-4.50Lowest Astronomical Tide
LAT Date & Time05/27/2021 16:06LAT Date and Time
Tidal Datum Analysis Periods
11/12/2009 - 12/11/2009

Products available at 9450314 Metlakatla, Port Chester, AK, AK