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Datums for 8735523, East Fowl River Bridge AL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8735523, East Fowl River Bridge, AL
Status: Accepted (Jun 20 2018)
Units: Feet
Control Station: 8735180 Dauphin Island, AL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.46Mean Higher-High Water
MHW1.40Mean High Water
MTL0.73Mean Tide Level
MSL0.72Mean Sea Level
DTL0.73Mean Diurnal Tide Level
MLW0.06Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.64North American Vertical Datum of 1988
STND-13.50Station Datum
GT1.46Great Diurnal Range
MN1.35Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide-8.21Highest Observed Tide
Max Tide Date & Time10/08/2017 07:12Highest Observed Tide Date & Time
Min Tide-15.31Lowest Observed Tide
Min Tide Date & Time01/17/2018 16:54Lowest Observed Tide Date & Time
HAT2.29Highest Astronomical Tide
HAT Date & Time10/18/1989 06:42HAT Date and Time
LAT-1.02Lowest Astronomical Tide
LAT Date & Time12/31/1986 16:06LAT Date and Time
Tidal Datum Analysis Periods
08/01/2011 - 07/31/2017




Products available at 8735523 East Fowl River Bridge, AL

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