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Datums for 9455912, Fire Island, Cook Inlet AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455912, Fire Island, Cook Inlet, AK
Status: Accepted (Apr 16 2004)
Units: Feet
Control Station: 9455920 Anchorage, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW26.91Mean Higher-High Water
MHW26.20Mean High Water
MTL14.20Mean Tide Level
MSL14.88Mean Sea Level
DTL13.46Mean Diurnal Tide Level
MLW2.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.98Station Datum
GT26.91Great Diurnal Range
MN24.00Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ2.20Mean Diurnal Low Water Inequality
HWI3.37Greenwich High Water Interval (in hours)
LWI9.97Greenwich 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
HAT32.79Highest Astronomical Tide
HAT Date & Time11/05/1998 03:42HAT Date and Time
LAT-6.35Lowest Astronomical Tide
LAT Date & Time05/16/1999 22:42LAT Date and Time
Tidal Datum Analysis Periods
06/01/2001 - 08/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9455912 Fire Island, Cook Inlet, AK

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