tidealmanac
No predictions loaded for 2020. This site serves NOAA predictions from its own store, and this period has not been fetched for 8 miles above mouth 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/ga/8-miles-above-mouth-8677566/2020

8 miles above mouth, GA tide table 2020 (printable) · Tide Almanac