tidealmanac
No predictions loaded for 2006. This site serves NOAA predictions from its own store, and this period has not been fetched for San Nicolas Island 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/san-nicolas-island-9410068/2006

San Nicolas Island, CA tide table 2006 (printable) · Tide Almanac