# Safety Zone; St. Clair River; Port Huron, MI

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Homeland Security Department; Coast Guard |
| Type | Final rule |
| Action | Temporary final rule. |
| Published | 2026-08-14 |
| Effective | 2026-08-16 |
| Significant | No |
| CFR parts | 33 CFR 165 |
| Summary | The Coast Guard is establishing a temporary safety zone for navigable waters of the St. Clair River for 7.5 miles beginning in Port Huron, MI. Though this is an unsanctioned, non-permitted marine event, this zone is necessary to provide for the safety of life on these navigable waters during a float down event near Port Huron, MI. Entry into this zone of vessels or non-participants in the event is prohibited unless specifically authorized by the Captain of the Port Detroit (COTP) or their designated representative. |
| Document number | 2026-16644 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/14/2026-16644/safety-zone-st-clair-river-port-huron-mi). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.