Datums for 8728728, Little St George Island


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8728728, Little St George Island
Status: Accepted (May 5 2023)
Units: Feet
Control Station: 8728690 Apalachicola, FL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.51Mean Higher-High Water
MHW1.42Mean High Water
MTL0.90Mean Tide Level
MSL0.86Mean Sea Level
DTL0.75Mean Diurnal Tide Level
MLW0.37Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.87North American Vertical Datum of 1988
STND-28.74Station Datum
GT1.52Great Diurnal Range
MN1.05Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.37Mean 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
HAT2.04Highest Astronomical Tide
HAT Date & Time10/08/2025 23:06HAT Date and Time
LAT-1.30Lowest Astronomical Tide
LAT Date & Time01/10/2005 15:00LAT Date and Time
Tidal Datum Analysis Periods
04/01/2022 - 06/30/2022




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