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Datums for 8736897, Coast Guard Sector Mobile AL


Elevations on Station Datum

Station: 8736897, Coast Guard Sector Mobile, AL
Status: Accepted (May 2 2013)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW30.30Mean Higher-High Water
MHW30.24Mean High Water
MTL29.50Mean Tide Level
MSL29.49Mean Sea Level
DTL29.49Mean Diurnal Tide Level
MLW28.76Mean Low Water
MLLW28.69Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT1.61Great Diurnal Range
MN1.47Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum34.10Highest Observed Water Level
Max Date & Time09/01/2008 18:00Highest Observed Water Level Date and Time
Minimum25.96Lowest Observed Water Level
Min Date & Time01/02/2008 15:00Lowest Observed Water Level Date and Time
HAT30.91Highest Astronomical Tide
HAT Date & Time06/22/1986 16:48HAT Date and Time
LAT28.09Lowest Astronomical Tide
LAT Date & Time12/31/1986 16:30LAT Date and Time
Tidal Datum Analysis Periods
07/01/2008 - 06/30/2012




Products available at 8736897 Coast Guard Sector Mobile, AL

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