No predictions loaded for 2011. This site serves NOAA predictions from its own store, and this period has not been fetched for South Fork yet. Nothing is estimated or interpolated in its place. NOAA's own page for the station has the official table: tidesandcurrents.noaa.gov.
tidealmanac.site/us/fl/south-fork-8722376/2011
South Fork, FL tide table 2011 (printable) · Tide Almanac