Winthrop Harbor is a station on Metra's Union Pacific North Line located in Winthrop Harbor, Illinois. It is located on 7th Street, one block east of Ravine Drive. Winthrop Harbor is away from Ogilvie Transportation Center, the inbound terminus of the Union Pacific North Line. In Metra's zone-based fare system, Winthrop Harbor is in zone 4. As of 2018, Winthrop Harbor is the 206th busiest of Metra's 236 non-downtown stations, with an average of 59 weekday boardings.
Winthrop Harbor is located at grade level and has two side platforms that serve two tracks. It is the northernmost Metra station in the State of Illinois. A parking lot is situated on the west side of the station.
As of September 20, 2025, Winthrop Harbor is served by 19 trains (10 inbound, nine outbound) on weekdays, and by 16 trains (eight in each direction) on weekends and holidays.