[In actuality, before the end of the 21st Century.]
- Alaska Conservation Foundation produced this map; discussion here http://www.akcf.org/_pages/programs_amp_initiatives/climate_change.php
A 4m rise in sea-level will be significant although many expect a much larger rise. Keep in mind this is the mean sea-level (as in arithmetic mean, a type of average) and not the level of the sea during tides or during storms.
Check out resources here,
- Stats basics at Good Math Bad Math
The map is derived from the models here,