No predictions loaded for 2086. This site serves NOAA predictions from its own store, and this period has not been fetched for Old Harbor 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/ak/old-harbor-9457527/2086
Old Harbor, AK tide table 2086 (printable) · Tide Almanac