Data / Federal rules / 2025-14739
Safety Zone; Port Huron Float Down; St. Clair River, Port Huron, MI
The Coast Guard published this final rule in the Federal Register on August 4, 2025. It took effect on August 17, 2025.
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What the agency says
The Coast Guard is establishing a temporary safety zone for navigable waters of the St. Clair River in the vicinity of Port Huron, MI. This zone is intended to restrict and control movement of vessels in a portion of the St. Clair River. Though this is an unsanctioned, non-permitted marine event, this zone is necessary to provide for the safety of life on the navigable waters during a float down event near Port Huron, MI.
Key facts
- Document number
- 2025-14739
- Type
- Final rule
- Action
- Temporary final rule
- Agency
- Homeland Security Department; Coast Guard
- Published
- August 4, 2025
- Takes effect
- August 17, 2025
- Dates
- This rule is effective from 12 p.m. through 7 p.m. on August 17, 2025.
- Docket
- Docket Number USCG-2025-0672
- 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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Everything from the Coast Guard · Rules on harbors · Rules on marine safety · Rules on navigation (water) · Published in August 2025
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.