No predictions loaded for 2039. This site serves NOAA predictions from its own store, and this period has not been fetched for Port Bolivar 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/tx/port-bolivar-8771328/2039
Port Bolivar, TX tide table 2039 (printable) · Tide Almanac