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Datums for 9499176, Barter Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9499176, Barter Island, AK
Status: Accepted (Apr 16 2009)
Units: Feet
Control Station: 9497645 Prudhoe Bay, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.61Mean Higher-High Water
MHW0.50Mean High Water
MTL0.27Mean Tide Level
MSL0.28Mean Sea Level
DTL0.31Mean Diurnal Tide Level
MLW0.03Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.07Station Datum
GT0.60Great Diurnal Range
MN0.46Mean Range of Tide
DHQ0.11Mean Diurnal High Water Inequality
DLQ0.03Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT0.77Highest Astronomical Tide
HAT Date & Time11/13/1985 10:12HAT Date and Time
LAT-0.11Lowest Astronomical Tide
LAT Date & Time03/10/1989 17:24LAT Date and Time
Tidal Datum Analysis Periods
09/01/2008 - 09/30/2008




Products available at 9499176 Barter Island, AK

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services