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Datums for 9458779, NAKCHAMIK ISLAND, CHIGNIK BAY AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9458779, NAKCHAMIK ISLAND, CHIGNIK BAY, AK
Status: Accepted (Mar 16 2004)
Units: Feet
Control Station: 9459450 Sand Point, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW8.99Mean Higher-High Water
MHW8.19Mean High Water
MTL4.82Mean Tide Level
MSL4.74Mean Sea Level
DTL4.50Mean Diurnal Tide Level
MLW1.46Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND2.17Station Datum
GT8.99Great Diurnal Range
MN6.73Mean Range of Tide
DHQ0.81Mean Diurnal High Water Inequality
DLQ1.46Mean Diurnal Low Water Inequality
HWI11.17Greenwich High Water Interval (in hours)
LWI5.00Greenwich 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
06/04/1996 - 07/26/1996




Products available at 9458779 NAKCHAMIK ISLAND, CHIGNIK BAY, AK

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services