Maritime Day celebration, 11 a.m. to 3 p.m., Lightship Overfalls & Canalfront Park, Lewes. Free, exhibits, food trucks, tours & boat rides, music by Sussex Shanty Singers & Minus 2 Plus 1. For more information go to overfalls.org/event/2026-lewes-maritime-day-and-overfalls-opening-ceremony.