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Datums for 9451012, Bradfield Canal AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451012, Bradfield Canal, AK
Status: Accepted (Dec 20 2005)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW16.59Mean Higher-High Water
MHW15.65Mean High Water
MTL8.60Mean Tide Level
MSL8.56Mean Sea Level
DTL8.29Mean Diurnal Tide Level
MLW1.56Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND5.00Station Datum
GT16.58Great Diurnal Range
MN14.09Mean Range of Tide
DHQ0.94Mean Diurnal High Water Inequality
DLQ1.55Mean Diurnal Low Water Inequality
HWI9.60Greenwich High Water Interval (in hours)
LWI3.18Greenwich 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
10/08/2005 - 11/07/2005




Products available at 9451012 Bradfield Canal, AK

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