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Final ruleTook effect Sept. 17, 2026

Safety Zone; Key West Main Ship Channel, and Fleming Key Cut, Key West, FL

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Sept. 17, 2026. Document 2026-19060. Updated Nov. 5, 2026.

What it does

The Coast Guard is establishing two temporary safety zones to support U.S. military training operations. Zone 1 will encompass the navigable waters of Fleming Key Cut within a 500-foot radius of surface support vessels. Zone 2 will encompass the navigable waters of the Key West Main Ship Channel within a 500-foot radius of surface support vessels. The zones are needed to protect personnel, vessels, and the marine environment from hazards associated with military training operations. Entry into either zone is prohibited unless specifically authorized by the Captain of the Port, Sector Key West, or a designated representative.

The Coast Guard's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 33 of the Code of Federal Regulations:

33 CFR 165

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Coast Guard has published 341 final rules in 2026 so far, compared with 224 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

252 earlier Federal Register documents under regulation identifier 1625-AA00 since Jan. 1, 2025.

Since then:

What happens next and when

This rule is effective without actual notice from September 17, 2026, through October 14, 2026. For the purposes of enforcement, actual notice will be used from September 10, 2026, until September 17, 2026.

The agency's dates, word for word.

Document number2026-19060
ActionTemporary final rule.
AgenciesHomeland Security Department; Coast Guard
PublishedSept. 17, 2026
Effective dateSept. 17, 2026
Regulation identifier (RIN)1625-AA00
DocketUSCG-2026-1146

Source: the Federal Register (public domain). The document in the Federal Register