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Datums for 9454662, Snug Harbor AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454662, Snug Harbor, AK
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.53Mean Higher-High Water
MHW10.65Mean High Water
MTL6.06Mean Tide Level
MSL6.16Mean Sea Level
DTL5.77Mean Diurnal Tide Level
MLW1.48Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND3.91Station Datum
GT11.53Great Diurnal Range
MN9.17Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.47Mean Diurnal Low Water Inequality
HWI10.02Greenwich High Water Interval (in hours)
LWI3.71Greenwich 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
09/01/1999 - 09/30/1999




Products available at 9454662 Snug Harbor, AK

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