This is a 50 year sea level trend for Boston MA. It is lower than it was in 1945! But, the chart is in mm/year. This whole thing IS A HOAX
https://tidesandcurrents.noaa.gov/sltrends/sltrends_station.shtml?plot=50yr&id=8443970
btt
There is a photo out there from 100 years ago on San Diego coast.
The sea level is exactly the same today