NPR Radio for Cape Cod, Martha's Vineyard, Nantucket, and the South Coast. WCAI is the Cape and Islands NPR Station. NPR for the Cape, the Coast, and the Islands WCAI is the NPR radio station for Cape Cod, Nantucket, Martha’s Vineyard, and the south coast of Massachusetts. Along with its award-winning coverage of the region, WCAI presents public radio favorites Morning Edition, All Things Considered, Diane Rehm, Car Talk, Wait, Wait, Don't Tell Me, and This American Life. http://capeandislands.org