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Datums for 9454691, HERRING POINT, KNIGHT ISLAND, PR WIL SND AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454691, HERRING POINT, KNIGHT ISLAND, PR WIL SND, AK
Status: Accepted (Apr 4 2011)
Units: Feet
Control Station: 9454240 Valdez, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.92Mean Higher-High Water
MHW11.02Mean High Water
MTL6.25Mean Tide Level
MSL6.38Mean Sea Level
DTL5.96Mean Diurnal Tide Level
MLW1.49Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.58Station Datum
GT11.92Great Diurnal Range
MN9.53Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.49Mean Diurnal Low Water Inequality
HWI10.04Greenwich High Water Interval (in hours)
LWI3.75Greenwich 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
10/01/1996 - 10/31/1996
08/01/1998 - 09/30/1998




Products available at 9454691 HERRING POINT, KNIGHT ISLAND, PR WIL SND, AK

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