No predictions loaded for 2036. This site serves NOAA predictions from its own store, and this period has not been fetched for Charleston 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/or/charleston-9432780/2036
Charleston, OR tide table 2036 (printable) · Tide Almanac