I would imagine that they're not talking about general North Carolina English so much as the dialect of the island of Ocracoke, which has a number of conservati

I would imagine that they're not talking about general North Carolina English so much as the dialect of the island of Ocracoke, which has a number of conservative features that date back to Shakespeare's day. https://en.wikipedia.org/wiki/High_Tider https://en.wikipedia.org/wiki/High_Tider