[madprof98]

" . . . could rise . . . may rise . . ."

Or not.

[InABunkerUnderSF]

" . . . could rise . . . may rise . . ."

More likely "will rise". Sea levels have risen 400 feet or so in the past 12,000 years and I don't see any reason they should stop. If they do we're in for trouble because it will mean the climate is getting way colder.

[Fresh Wind]

" . . . could rise . . . may rise . . ."

You forgot "worst case scenario".

Sounds like someone is looking for a new research grant. Panicky predictions are always the first step.