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Datums for 9455777, BOULDER POINT AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455777, BOULDER POINT, AK
Status: Accepted (Dec 12 2014)
Units: Feet
Control Station: 9455760 Nikiski, AK
T.M.: 135
Epoch: 2007-2011
Datum: MLLW
DatumValueDescription
MHHW21.09Mean Higher-High Water
MHW20.39Mean High Water
MTL11.29Mean Tide Level
MSL11.52Mean Sea Level
DTL10.54Mean Diurnal Tide Level
MLW2.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-5.75Station Datum
GT21.09Great Diurnal Range
MN18.21Mean Range of Tide
DHQ0.70Mean Diurnal High Water Inequality
DLQ2.18Mean Diurnal Low Water Inequality
HWI1.72Greenwich High Water Interval (in hours)
LWI8.22Greenwich 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
08/14/1999 - 09/12/1999




Products available at 9455777 BOULDER POINT, AK

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