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Datums for 9457535, West Raspberry Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9457535, West Raspberry Island, AK
Status: Accepted (Jan 6 2015)
Units: Feet
Control Station: 9457804 Alitak, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW14.04Mean Higher-High Water
MHW13.19Mean High Water
MTL7.42Mean Tide Level
MSL7.35Mean Sea Level
DTL7.02Mean Diurnal Tide Level
MLW1.64Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.34Station Datum
GT14.04Great Diurnal Range
MN11.56Mean Range of Tide
DHQ0.84Mean Diurnal High Water Inequality
DLQ1.64Mean Diurnal Low Water Inequality
HWI11.15Greenwich High Water Interval (in hours)
LWI5.01Greenwich 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
HAT18.27Highest Astronomical Tide
HAT Date & Time11/13/1985 23:18HAT Date and Time
LAT-4.54Lowest Astronomical Tide
LAT Date & Time05/25/1990 17:54LAT Date and Time
Tidal Datum Analysis Periods
05/01/2014 - 06/30/2014




Products available at 9457535 West Raspberry Island, AK

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