NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Current Datum Value: 1.36

Datums for 8727604, SHIRED ISLAND FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8727604, SHIRED ISLAND, FL
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8727520 Cedar Key, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.47Mean Higher-High Water
MHW3.19Mean High Water
MTL1.86Mean Tide Level
MSL1.85Mean Sea Level
DTL1.73Mean Diurnal Tide Level
MLW0.53Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.97North American Vertical Datum of 1988
STND-1.36Station Datum
GT3.47Great Diurnal Range
MN2.67Mean Range of Tide
DHQ0.28Mean Diurnal High Water Inequality
DLQ0.53Mean Diurnal Low Water Inequality
HWI6.21Greenwich High Water Interval (in hours)
LWI0.56Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
09/01/1978 - 11/30/1978
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8727604 SHIRED ISLAND, FL

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