U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

§ 165.943 - Safety Zones; Recurring Events in Captain of the Port Duluth Zone.

(a) Regulations. (1) In accordance with the general regulations in § 165.23 of this part, entry into, transiting, or anchoring within this safety zone is prohibited unless authorized by the Captain of the Port (COTP) Duluth or his or her designated on-scene representative.

(2) These safety zones are closed to all vessel traffic, except as may be permitted by the COTP Duluth or his or her designated on-scene representative.

(3) The “on-scene representative” of the COTP Duluth is any Coast Guard commissioned, warrant or petty officer who has been designated by the COTP Duluth to act on his behalf.

(4) Vessel operators desiring to enter or operate within the safety zone must contact the COTP Duluth or his or her on-scene representative to obtain permission to do so. The COTP Duluth or his or her on-scene representative may be contacted via VHF Channel 16. Vessel operators given permission to enter or operate in the safety zone must comply with all directions given to them by the COTP Duluth, or his or her on-scene representative.

(5) The enforcement dates and times for each of the safety zones listed in Table 1 are subject to change, but the duration of enforcement would remain the same or nearly the same as stated in Table 1. In the event of a change, the COTP Duluth will provide notice to the public by publishing a Notification of Enforcement in the Federal Register, as well as issuing a Broadcast Notice to Mariners.

(b) Definitions. As used in this section:

(1) Designated representative means any Coast Guard coxswain, petty officer, or other officer operating a Coast Guard vessel and a Federal, State, and local officer designated by or assisting the COTP Duluth in the enforcement of each safety zone.

(2) Public vessel means a vessel that is owned, chartered, or operated by the United States, or by a State or political subdivision thereof.

(3) Rain date refers to an alternate date and/or time in which the safety zone would be enforced in the event of inclement weather.

(c) Suspension of enforcement. The COTP Duluth may suspend enforcement of any of these zones earlier than listed in this section. Should the COTP Duluth suspend any of these zones earlier than the listed duration in this section, he or she may make the public aware of this suspension by Broadcast Notice to Mariners and/or on-scene notice by his or her designated representative.

(d) Exemption. Public vessels, as defined in paragraph (b) of this section, are exempt from the requirements in this section.

(e) Waiver. For any vessel, the COTP Duluth or his or her designated representative may waive any of the requirements of this section upon finding that operational conditions or other circumstances are such that application of this section is unnecessary or impractical for the purposes of safety or security.

(f) Notification. The enforcement dates and times for each of the listed safety zones are subject to change. Advance notice to the local maritime community will be made well in advance of the events through Notification(s) of Enforcement in the Federal Register, listing exact times and dates of the enforcement periods. A Broadcast Notice to Mariners will also be issued.

Table 1 to § 165.943

[Datum NAD 1983]

Event Location Enforcement date and time
(a) January Safety Zones
[Reserved]
(b) February Safety Zones
[Reserved]
(c) March Safety Zones
[Reserved]
(d) April Safety Zones
[Reserved]
(e) May Safety Zones
[Reserved]
(f) June Safety Zones
(1) Bridgefest Regatta Fireworks DisplayAll waters of the Keweenaw Waterway in Hancock, MI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 47°07′22″ N, 088°35′28″ WMid-June.
(g) July Safety Zones
(1) Ashland 4th of July Fireworks DisplayAll waters of Chequamegon Bay in Ashland, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°35′50″ N, 090°52′59″ WOn or around July 4th.
(2) City of Bayfield 4th of July Fireworks DisplayAll waters of the Lake Superior North Channel in Bayfield, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°48′40″ N, 090°48′32″ WOn or around July 4th.
(3) Cornucopia 4th of July Fireworks DisplayAll waters of Siskiwit Bay in Cornucopia, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°51′35″ N, 091°06′15″ WOn or around July 4th.
(4) Duluth 4th Fest Fireworks DisplayAll waters of the Duluth Harbor Basin, Northern Section in Duluth, MN within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°46′14″ N, 092°06′16″ WOn or around July 4th.
(5) LaPointe 4th of July Fireworks DisplayAll waters of Lake Superior in LaPointe, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°46′40″ N, 090°47′22″ WOn or around July 4th.
(6) Two Harbors 4th of July Fireworks DisplayAll waters of Agate Bay in Two Harbors, MN within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 47°00′54″ N, 091°40′04″ WOn or around July 4th.
(7) Superior 4th of July Fireworks DisplayAll waters of Superior Bay in Superior, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°43′28″N, 092°03′38″ WOn or around July 4th.
(h) August Safety Zones
(1) Point to LaPointe SwimAll waters of the Lake Superior North Channel between Bayfield and LaPointe, WI within an imaginary line created by the following coordinates: 46°48′50″ N, 090°48′44″ W, moving southeast to 46°46′44″ N, 090°47′33″ W, then moving northeast to 46°46′52″ N, 090°47′17″ W, then moving northwest to 46°49′03″ N, 090°48′25″ W, and finally returning to the starting positionEarly August.
(2) Lake Superior Dragon Boat Festival Fireworks DisplayAll waters of Superior Bay in Superior, WI within the arc of a circle with a radius of no more than 1,120 feet from the launch site at position 46°43′28″ N, 092°03′47″ WLate August.
(3) Superior Man TriathlonAll waters of the Duluth Harbor Basin, Northern Section in Duluth, MN within an imaginary line created by the following coordinates: 46°46′36″ N, 092°06′06″ W, moving southeast to 46°46′32″ N, 092°06′01″ W, then moving northeast to 46°46′45″ N, 092°05′45″ W, then moving northwest to 46°46′49″ N, 092°05′49″ W, and finally returning to the starting positionLate August.
(i) September Safety Zones
[Reserved]
(j) October Safety Zones
[Reserved]
(k) November Safety Zones
[Reserved]
(l) December Safety Zones
[Reserved]
[USCG-2025-0082, 90 FR 53219, Nov. 25, 2025]