MARQUETTE — The Lee A. Tregurtha is expected at 9 p.m. today at the Lake Superior & Ishpeming ore dock in Marquette’s Upper Harbor. The Herbert C. Jackson is expected at 11 p.m. Sunday. The Honorable James L. Oberstar is due at 8 a.m. Monday, followed by the Michipicoten at 3 p.m. Monday.