tidealmanac
No predictions loaded for 1997. This site serves NOAA predictions from its own store, and this period has not been fetched for Roberts Landing, 1.3 miles west of 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/ca/roberts-landing-1-3-miles-west-of-twc0547/1997

Roberts Landing, 1.3 miles west of, CA tide table 1997 (printable) · Tide Almanac