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Datums for 9458917, CHIGNIK, ANCHORAGE BAY AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9458917, CHIGNIK, ANCHORAGE BAY, AK
Status: Accepted (Mar 14 2005)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.93Mean Higher-High Water
MHW8.13Mean High Water
MTL4.79Mean Tide Level
MSL4.70Mean Sea Level
DTL4.47Mean Diurnal Tide Level
MLW1.45Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.12Station Datum
GT8.93Great Diurnal Range
MN6.68Mean Range of Tide
DHQ0.80Mean Diurnal High Water Inequality
DLQ1.45Mean Diurnal Low Water Inequality
HWI11.20Greenwich High Water Interval (in hours)
LWI5.05Greenwich 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
07/01/1996 - 07/31/1996




Products available at 9458917 CHIGNIK, ANCHORAGE BAY, AK

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