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Datums for 9469237, Point Spencer, Port Clarence AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9469237, Point Spencer, Port Clarence, AK
Status: Accepted (Nov 16 2010)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.28Mean Higher-High Water
MHW1.19Mean High Water
MTL0.66Mean Tide Level
MSL0.73Mean Sea Level
DTL0.64Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.65Station Datum
GT1.28Great Diurnal Range
MN1.06Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI5.00Greenwich High Water Interval (in hours)
LWI0.23Greenwich 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
07/20/2010 - 09/01/2010




Products available at 9469237 Point Spencer, Port Clarence, AK

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