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Datums for 9454616, Montague Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454616, Montague Island, AK
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.50Mean Higher-High Water
MHW10.58Mean High Water
MTL6.01Mean Tide Level
MSL6.08Mean Sea Level
DTL5.74Mean Diurnal Tide Level
MLW1.44Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND1.22Station Datum
GT11.51Great Diurnal Range
MN9.14Mean Range of Tide
DHQ0.92Mean Diurnal High Water Inequality
DLQ1.45Mean Diurnal Low Water Inequality
HWI10.03Greenwich High Water Interval (in hours)
LWI3.71Greenwich Low Water Interval (in hours)
Max Tide12.81Highest Observed Tide
Max Tide Date & Time09/23/1999 08:18Highest Observed Tide Date & Time
Min Tide-2.03Lowest Observed Tide
Min Tide Date & Time09/28/1999 05:42Lowest 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 9454616 Montague Island, AK

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