Data / Federal rules / 2026-16341
Safety Zone; Lake Michigan, Chicago, IL
The Coast Guard published this final rule in the Federal Register on August 11, 2026. It took effect on August 23, 2026.
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What the agency says
The Coast Guard is establishing a temporary safety zone for navigable waters within a small area of Monroe Harbor in Lake Michigan in Chicago, IL. This action is necessary to protect personnel, vessels, and the marine environment from potential hazards created by the Chicago Triathlon swim event. Entry of vessels or persons into this zone is prohibited unless specifically authorized by the Captain of the Port, Sector Lake Michigan or their designated representative.
Key facts
- Document number
- 2026-16341
- Type
- Final rule
- Action
- Temporary final rule
- Agency
- Homeland Security Department; Coast Guard
- Published
- August 11, 2026
- Takes effect
- August 23, 2026
- Dates
- This rule is effective from 6 a.m. through 10:30 a.m. on August 23, 2026.
- Docket
- Docket Number USCG-2026-1004
- Regulation ID (RIN)
- 1625-AA00
- Code of Federal Regulations
- 33 CFR 165
- Topics
- Harbors; Marine safety; Navigation (water); Reporting and recordkeeping requirements; Security measures; Waterways
- Pages
- 3
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|---|---|---|
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| Special Local Regulation; Ponce Harbor, Ponce, PR 2026-21302 | Final rule | Oct 19 |
| Safety Zone; Cumberland River, Hendersonville, TN 2026-21240 | Proposed rule | Oct 16 |
Everything from the Coast Guard · Rules on harbors · Rules on marine safety · Rules on navigation (water) · Published in August 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.