Data / Federal rules / 2026-12557
Safety Zone; Straits of Mackinac, Mackinaw City, MI
The Coast Guard published this final rule in the Federal Register on June 23, 2026. It took effect on July 18, 2026.
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What the agency says
The Coast Guard is establishing a temporary safety zone for certain navigable waters within a 100-yard radius of the center span of the Mackinac Bridge. The safety zone is needed to protect personnel, vessels, and the marine environment from a marine event involving swimmers under the bridge. This rulemaking prohibits entry of vessels or persons into this safety zone during the swim conducted on July 18, 2026 from 7 a.m. to noon unless specifically authorized by the Captain of the Port, Sector Northern Great Lakes or their designated representative.
Key facts
- Document number
- 2026-12557
- Type
- Final rule
- Action
- Temporary final rule
- Agency
- Homeland Security Department; Coast Guard
- Published
- June 23, 2026
- Takes effect
- July 18, 2026
- Dates
- This rule is effective from 7 a.m. to noon on July 18, 2026.
- Docket
- Docket Number USCG-2026-0360
- 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
- 2
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|---|---|---|
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| RIN 1625-AA00 2026-21593 | Final rule | Oct 22 |
| Safety Zone; T/V DENISE FOSS (O.N. 1254223), Honolulu, HI 2026-21498 | Final rule | Oct 21 |
| Security Zones; Protection of Military Cargo, Captain of the Port Zone Puget Sound, WA 2026-21478 | Final rule | Oct 21 |
| Safety Zone; FRL Inaugural Invitational eFoil Exhibition Race, Miami Marine Stadium Basin, Miami, FL 2026-21305 | Proposed rule | Oct 19 |
| 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 June 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.