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Datums for 9464075, Meshik, Port Heiden AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9464075, Meshik, Port Heiden, AK
Status: Accepted (Dec 22 2017)
Units: Feet
Control Station: 9463502 Port Moller, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.61Mean Higher-High Water
MHW10.45Mean High Water
MTL6.39Mean Tide Level
MSL6.42Mean Sea Level
DTL5.81Mean Diurnal Tide Level
MLW2.32Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-38.46Station Datum
GT11.61Great Diurnal Range
MN8.13Mean Range of Tide
DHQ1.16Mean Diurnal High Water Inequality
DLQ2.32Mean Diurnal Low Water Inequality
HWI8.88Greenwich High Water Interval (in hours)
LWI3.25Greenwich 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
09/12/2013 - 10/11/2013




Products available at 9464075 Meshik, Port Heiden, AK

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services