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Datums for 8731439, Gulf Shores, ICWW AL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8731439, Gulf Shores, ICWW, AL
Status: Accepted (Aug 18 2010)
Units: Feet
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.21Mean Higher-High Water
MHW1.16Mean High Water
MTL0.62Mean Tide Level
MSL0.59Mean Sea Level
DTL0.60Mean Diurnal Tide Level
MLW0.07Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-28.24Station 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)
Max Tide4.09Highest Observed Tide
Max Tide Date & Time11/10/2009 14:24Highest Observed Tide Date & Time
Min Tide-1.54Lowest Observed Tide
Min Tide Date & Time02/05/2009 13:42Lowest Observed Tide Date & Time
HAT1.70Highest Astronomical Tide
HAT Date & Time12/31/1986 04:42HAT Date and Time
LAT-0.42Lowest 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