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Datums for 9450296, Custom House Cove, Mary Island AK


Elevations on Station Datum

Station: 9450296, Custom House Cove, Mary Island, AK
Status: Accepted (Jun 30 2010)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW11.33Mean Higher-High Water
MHW10.42Mean High Water
MTL4.03Mean Tide Level
MSL4.05Mean Sea Level
DTL3.71Mean Diurnal Tide Level
MLW-2.36Mean Low Water
MLLW-3.91Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT15.24Great Diurnal Range
MN12.78Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.55Mean Diurnal Low Water Inequality
HWI9.41Greenwich High Water Interval (in hours)
LWI3.08Greenwich 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
04/13/2010 - 05/12/2010




Products available at 9450296 Custom House Cove, Mary Island, AK

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