Datums for 8731269, Gulf State Park Pier


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8731269, Gulf State Park Pier
Status: Accepted (Mar 3 2022)
Units: Feet
Control Station: 8735180 Dauphin Island, AL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.40Mean Higher-High Water
MHW1.38Mean High Water
MTL0.70Mean Tide Level
MSL0.67Mean Sea Level
DTL0.70Mean Diurnal Tide Level
MLW0.02Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.70North American Vertical Datum of 1988
STND-22.04Station Datum
GT1.40Great Diurnal Range
MN1.36Mean Range of Tide
DHQ0.03Mean Diurnal High Water Inequality
DLQ0.01Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT2.25Highest Astronomical Tide
HAT Date & Time10/29/2007 03:12HAT Date and Time
LAT-1.01Lowest Astronomical Tide
LAT Date & Time01/09/2005 11:18LAT Date and Time
Tidal Datum Analysis Periods
05/01/2021 - 07/31/2021




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