No predictions loaded for 2067. This site serves NOAA predictions from its own store, and this period has not been fetched for Grand Pass 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/la/grand-pass-8760668/2067
Grand Pass, LA tide table 2067 (printable) · Tide Almanac