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Datums for 9451421, Golf Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451421, Golf Island, AK
Status: Accepted (Sep 11 2003)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.70Mean Higher-High Water
MHW8.94Mean High Water
MTL5.18Mean Tide Level
MSL5.16Mean Sea Level
DTL4.85Mean Diurnal Tide Level
MLW1.41Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.68Station Datum
GT9.70Great Diurnal Range
MN7.53Mean Range of Tide
DHQ0.76Mean Diurnal High Water Inequality
DLQ1.41Mean Diurnal Low Water Inequality
HWI9.49Greenwich High Water Interval (in hours)
LWI3.24Greenwich 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
HAT11.92Highest Astronomical Tide
HAT Date & Time11/13/1985 21:30HAT Date and Time
LAT-2.92Lowest Astronomical Tide
LAT Date & Time12/13/1985 04:12LAT Date and Time
Tidal Datum Analysis Periods
05/09/2003 - 06/26/2003




Products available at 9451421 Golf Island, AK

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