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Datums for 9455869, North Foreland AK


Elevations on Station Datum

Station: 9455869, North Foreland, AK
Status: Accepted (Aug 25 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW30.50Mean Higher-High Water
MHW29.82Mean High Water
MTL20.75Mean Tide Level
MSL21.01Mean Sea Level
DTL20.00Mean Diurnal Tide Level
MLW11.68Mean Low Water
MLLW9.51Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT20.99Great Diurnal Range
MN18.15Mean Range of Tide
DHQ0.68Mean Diurnal High Water Inequality
DLQ2.17Mean Diurnal Low Water Inequality
HWI2.57Greenwich High Water Interval (in hours)
LWI8.92Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
06/01/1999 - 08/31/1999




Products available at 9455869 North Foreland, AK

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