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Datums for 9497645, Prudhoe Bay AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9497645, Prudhoe Bay, AK
Status: Accepted (Sep 20 2017)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.70Mean Higher-High Water
MHW0.59Mean High Water
MTL0.33Mean Tide Level
MSL0.34Mean Sea Level
DTL0.35Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-35.84Station Datum
GT0.70Great Diurnal Range
MN0.51Mean Range of Tide
DHQ0.11Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWI9.64Greenwich High Water Interval (in hours)
LWI3.54Greenwich Low Water Interval (in hours)
Max Tide4.80Highest Observed Tide
Max Tide Date & Time08/11/2000 17:24Highest Observed Tide Date & Time
Min Tide-3.43Lowest Observed Tide
Min Tide Date & Time03/04/2013 18:54Lowest Observed Tide Date & Time
HAT1.50Highest Astronomical Tide
HAT Date & Time07/27/1984 21:42HAT Date and Time
LAT-0.68Lowest Astronomical Tide
LAT Date & Time03/20/1988 16:36LAT Date and Time
Tidal Datum Analysis Periods
12/01/1993 - 11/30/2004
03/01/2006 - 02/29/2008
07/01/2008 - 06/30/2011




Products available at 9497645 Prudhoe Bay, AK

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