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Datums for 9455204, UPPER NORTHWESTERN FIORD AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455204, UPPER NORTHWESTERN FIORD, AK
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 9455090 Seward, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.84Mean Higher-High Water
MHW9.95Mean High Water
MTL5.65Mean Tide Level
MSL5.67Mean Sea Level
DTL5.42Mean Diurnal Tide Level
MLW1.36Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.90Station Datum
GT10.84Great Diurnal Range
MN8.59Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.35Mean Diurnal Low Water Inequality
HWI10.09Greenwich High Water Interval (in hours)
LWI3.90Greenwich 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
08/01/2000 - 08/31/2000




Products available at 9455204 UPPER NORTHWESTERN FIORD, AK

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