No predictions loaded for 2080. This site serves NOAA predictions from its own store, and this period has not been fetched for Gardiner 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/gardiner-twc0831/2080
Gardiner, OR tide table 2080 (printable) · Tide Almanac