No predictions loaded for 2021. This site serves NOAA predictions from its own store, and this period has not been fetched for Moku O Loe 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/hi/moku-o-loe-1612480/2021
Moku O Loe, HI tide table 2021 (printable) · Tide Almanac