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Datums for 8731439, Gulf Shores, ICWW AL


Elevations on Station Datum

Station: 8731439, Gulf Shores, ICWW, AL
Status: Accepted (Aug 18 2010)
Units: Feet
T.M.: 90
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW29.45Mean Higher-High Water
MHW29.40Mean High Water
MTL28.86Mean Tide Level
MSL28.83Mean Sea Level
DTL28.84Mean Diurnal Tide Level
MLW28.31Mean Low Water
MLLW28.24Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.22Great Diurnal Range
MN1.09Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum32.33Highest Observed Water Level
Max Date & Time11/10/2009 14:24Highest Observed Water Level Date and Time
Minimum26.70Lowest Observed Water Level
Min Date & Time02/05/2009 13:42Lowest Observed Water Level Date and Time
HAT29.94Highest Astronomical Tide
HAT Date & Time12/31/1986 04:42HAT Date and Time
LAT27.82Lowest Astronomical Tide
LAT Date & Time12/30/1986 15:18LAT Date and Time
Tidal Datum Analysis Periods
03/01/2009 - 02/28/2010




Products available at 8731439 Gulf Shores, ICWW, AL

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