On the water this season
Chicago Boating Events & Season Dates
Lakefront events boaters plan around, plus published harbor and marina season windows. Dates come from the organizer or agency — confirm on the official page before you build a trip around one.
Before you go: Verified from official sources; operational details change — always confirm with the linked source.
- Season datesMay 1 – October 31, 2026
Chicago Harbors Mooring Season
Chicago Park District harbors, Lake Michigan
The Chicago Park District / Chicago Harbors program publishes an annual harbor season for seasonal moorings along the lakefront. Official materials state the harbor season runs May 1 through October 31 each year. Slip applications, rates, and harbor-specific details are on chicagoharbors.info — not reproduced here because they change.
Chicago Park District — Harbors · verified Aug 25, 2026
- Season datesMay 1 – October 31, 2026
McKinley Marina Official Boating Season
McKinley Marina, Milwaukee, WI
Milwaukee County Parks lists McKinley Marina’s official boating season as May 1 – October 31. Slip rentals, launch permits, and storage details are published on the County Parks marina page.
Milwaukee County Parks — McKinley Marina · verified Aug 25, 2026
Planning a boat around an event
Fireworks nights and show weekends draw heavy traffic on the water and in the harbors. Book early, confirm the schedule on the official page, and check the marine forecast the morning of — a good event date is not automatically a good boating day.