No predictions loaded for 2022. This site serves NOAA predictions from its own store, and this period has not been fetched for Ketchikan 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/ketchikan-9450460/2022
Ketchikan, AK tide table 2022 (printable) · Tide Almanac