- Providing Clean Air to Michigan's Thumb and Southwestern Ontario Wonderful News Radio, WNFA - Port Huron and WNFR - Sandusky provide Michigan's Thumb and Southwestern Ontario with the best in Inspirational music and programming. You can listen to us at: 88.3 and 90.7 FM Our offices and studios are located on Maywood Drive (just off West Water Street) in Port Huron Township. Our office is open ...www.wnradio.com