Coast Guard Safety Zones

Current understanding

To be populated as evidence accumulates.

Evidence log

• 2026-11-09 — Security Zones; Protection of Military Cargo, Captain of the Port Zone Puget Sound, WA: A related Coast Guard action enforces established security zones, rather than safety zones, in Commencement Bay’s Blair and Sitcum Waterways from November 8–12, 2026, restricting vessel movement without permission during military cargo operations. (novelty: 2)
• 2026-08-28 — Safety Zone; Hurricanes, Tropical Storms, and Severe Weather Events in the Sector Mobile Captain of the Port Zone: Final rule establishes a standing severe-weather safety zone in the Sector Mobile Captain of the Port zone that can be activated during hurricanes, tropical storms, and severe weather events, imposing pre-, during-, and post-event vessel and port operator restrictions. (novelty: 2)
• 2026-08-18 — Safety Zone; ANCHOR Floating Production Unit (FPU) Outer Continental Shelf Facility, Green Canyon Block 763, Gulf of America: Final rule establishes a 500-meter safety zone around the ANCHOR Floating Production Unit at Green Canyon Block 763 in the Gulf of America, prohibiting entry by unauthorized vessels to protect the offshore facility. (novelty: 2)
• 2026-07-15 — Safety Zones; Recurring Events in Captain of the Port Duluth Zone: Final rule revises Captain of the Port Duluth Zone regulations to allow recurring annual marine event safety zones to be enforced in the vicinity of published coordinates rather than only at fixed points, providing limited geographic flexibility for on-scene Coast Guard personnel. (novelty: 2)
• 2026-02-23 — MTS CYBER Act of 2026: cross-connection with mts-cyber-act-maritime-cybersecurity: Both concern Coast Guard-adjacent regulation of the maritime domain; MTS cyber authorities may interact with USCG operational safety and security authorities. (novelty: 3)

Open questions

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