No predictions loaded for 2038. This site serves NOAA predictions from its own store, and this period has not been fetched for Ferndale 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/wa/ferndale-twc1189/2038
Ferndale, WA tide table 2038 (printable) · Tide Almanac