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Current Datum Value: 2.98

Datums for 8728912, Port St. Joe


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8728912, Port St. Joe
Status: Accepted (May 28 2003)
Units: Feet
Control Station: 8729840 Pensacola, FL
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.65Mean Higher-High Water
MHW1.35Mean High Water
MTL0.78Mean Tide Level
MSL0.82Mean Sea Level
DTL0.83Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.98Station Datum
GT1.65Great Diurnal Range
MN1.15Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide2.54Highest Observed Tide
Max Tide Date & Time12/15/1981 02:42Highest Observed Tide Date & Time
Min Tide-2.37Lowest Observed Tide
Min Tide Date & Time01/18/1981 10:54Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
01/01/1976 - 12/31/1976
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8728912 Port St. Joe,

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services