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Datums for 9450578, Steamboat Bay AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450578, Steamboat Bay, AK
Status: Accepted (Sep 12 2006)
Units: Feet
Control Station: 9451600 Sitka, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.33Mean Higher-High Water
MHW9.52Mean High Water
MTL5.44Mean Tide Level
MSL5.42Mean Sea Level
DTL5.16Mean Diurnal Tide Level
MLW1.36Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND2.40Station Datum
GT10.33Great Diurnal Range
MN8.16Mean Range of Tide
DHQ0.81Mean Diurnal High Water Inequality
DLQ1.36Mean Diurnal Low Water Inequality
HWI9.32Greenwich High Water Interval (in hours)
LWI3.04Greenwich 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
04/28/2006 - 05/22/2006




Products available at 9450578 Steamboat Bay, AK

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