Newburyport Harbor and Plum Island Sound, MA NOAA 13282. This Framed Nautical Map covers the waters of Newburyport Harbor and Plum Island Sound. The Framed Nautical Chart is the official NOAA Nautical Chart detailing the beautiful waters and coastline of Newburyport Harbor and Plum Island Sound; including Ipswich Bay, Bigelow Bight, Merrimack River, Salisbury Beach as well as many other towns and harbors. NOAA Nautical Chart 13282. Standard frame is approx 19" W x 24" H. Poster frame is approx 30" W x 36" H. Solid Hardwood Frame, Glass Front, Black Mat, Paper Duster Backing with Wire Hanging, Handmade in USA.