It seems like somewhere between 1m-5m per century depending on time and place[1]. At 5m that would be noticeable in a lifetime in a coastal estuary, you would see dwellings from your childhood swallowed by the sea by middle age. Interestingly, Sumerian myths said that the Akkadians arrived from the sea and brought with them the knowledge of city building. Certainly begs some interesting questions.
[1]https://noc.ac.uk/news/global-sea-level-rise-end-last-ice-ag...