Models agree on the qualitative conclusion that the range of regional variation in sea level change is substantial compared to global average sea level rise. (ipcc.ch)
It is very likely that anthropogenic activity contributed to a rise in average sea level. (ipcc.ch)
For the planet's sea level, this would mean over a half - foot rise averaged around the globe, in comparison with average sea levels from 1986 to 2005. (washingtonpost.com)