Coast Guard Draws 100-Yard Bubble Around Swimmers
Published Date: 6/23/2026
Rule
Summary
On July 18, 2026, from 7 a.m. to noon, the Coast Guard is setting up a safety zone around the Mackinac Bridge to keep boats and people clear during a big swim event with about 400 swimmers. If you’re boating nearby, you’ll need special permission to enter this 100-yard zone. This temporary rule helps keep everyone safe without costing you a dime!
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Mackinac Bridge 100‑yard safety zone
On July 18, 2026, from 7 a.m. to noon, all boats and people are prohibited from entering the safety zone that covers navigable waters within 100 yards of the center span of the Mackinac Bridge between Mackinaw City and St. Ignace, MI, unless you get permission from the Captain of the Port (COTP). To request permission, contact the COTP or their representative on VHF‑FM channel 16 or by phone at (906) 635-3237.
Minimal small‑business impact; permission available
The Coast Guard certified under the Regulatory Flexibility Act that this temporary safety zone will not have a significant economic impact on a substantial number of small entities. Vessel traffic may safely transit around the small zone, the Coast Guard will issue a Broadcast Notice to Mariners on VHF‑FM channel 16, and vessels can request permission to enter the zone from the COTP during the enforcement period (7 a.m. to noon on July 18, 2026).
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Key Dates
Department and Agencies
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