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###### Department of Homeland Security

###### Coast Guard

          - 33 CFR Part 165
          - [Docket No. USCG-2021-0617]

# AGENCY:

Coast Guard, DHS.

# ACTION:

Notification of enforcement of regulation.

# SUMMARY:

The Coast Guard will enforce a safety zone for the Chicago Air and Water Show on a portion of Lake Michigan, from August 20, 2021 through August 22, 2021. This action is intended to protect the safety of life on the navigable waterway immediately before, during, and after this event. During the enforcement period listed below, no vessel may transit this safety zone without approval from the Captain of the Port Lake Michigan or a designated representative.

# DATES:

The regulations in 33 Code of Federal Regulations (CFR) 165.929 Table 1 Event (16) will be enforced for the Chicago Air and Water Show from: 9 a.m. through 3 p.m. on August 20, 2021, and from 11 a.m. to 4 p.m. on both August 21, 2021, and August 22, 2021.

# FOR FURTHER INFORMATION CONTACT:

                        If you have questions about this notice of enforcement, call or email Chief Petty Officer Michael Salviati, Marine Safety Unit Chicago, U.S. Coast Guard; telephone: 630-986-2155, email:                         *Michael.C.Salviati@uscg.mil.*

# SUPPLEMENTARY INFORMATION:

The Coast Guard will enforce the Safety Zone; Chicago Air and Water Show listed in 33 Code of Federal Regulations (CFR) 165.929 Table (1) Event (16). Section 165.929 lists many annual events requiring safety zones in the Captain of the Port Lake Michigan zone. This safety zone encompasses all waters and adjacent shoreline of Lake Michigan and Chicago Harbor bounded by a line drawn from 41°55.900′ N at the shoreline, then east to 41°55.900′ N, 087°37.200′ W, then southeast to 41°54.000′ N, 087°36.000′ W, then southwestward to the northeast corner of the Jardine Water Filtration Plant, then due west to the shore. This safety zone will be enforced from 9 a.m. through 3 p.m. on August 20, 2021; and from 11 a.m. through 4 p.m. on both August 21, 2021, and August 22, 2021.

                    All vessels must obtain permission from the Captain of the Port Lake Michigan, or his or her designated on-scene representative to enter, move within, or exit this safety zone during the enforcement times listed in this notice of enforcement. Requests must be made in advance and approved by the Captain of the Port before transits will be authorized. Approvals will be granted on a case-by-case basis. Vessels and persons granted permission to enter the safety zone shall obey all lawful orders or directions of the Captain of the Port Lake Michigan or a designated on-scene representative.                          ( print page 45648)    

                    This notice of enforcement is issued under authority of 33 CFR 165.929, Safety Zones; Annual events requiring safety zones in the Captain of the Port Lake Michigan zone, and 5 U.S.C. 552(a). In addition to this publication in the                     **Federal Register**                    , the Coast Guard will provide the maritime community with advance notification of this enforcement period via Broadcast Notice to Mariners and Local Notice to Mariners. The Captain of the Port Lake Michigan or a designated on-scene representative may be contacted via VHF Channel 16 or (414) 747-7182.                

Dated: August 10, 2021.

Donald P. Montoro,

Captain, U.S. Coast Guard, Captain of the Port, Lake Michigan.

[FR Doc. 2021-17422 Filed 8-13-21; 8:45 am]

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