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Datums for 9450578, Steamboat Bay AK


Elevations on Station Datum

Station: 9450578, Steamboat Bay, AK
Status: Accepted (Sep 12 2006)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW7.93Mean Higher-High Water
MHW7.12Mean High Water
MTL3.04Mean Tide Level
MSL3.02Mean Sea Level
DTL2.76Mean Diurnal Tide Level
MLW-1.04Mean Low Water
MLLW-2.40Mean Lower-Low Water
NAVD88
STND0.00Station 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)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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