SUPPLEMENTARY INFORMATION:

The Coast Guard will enforce the Safety Zone; Chicago Air and Water Show listed as item (f)(9) in Table 165.929 of 33 CFR 165.929. 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 August 16, 2018 through August 19, 2018, from 11 a.m. until 4 p.m. on August 16, 2018; and from 8 a.m. to 4 p.m. from August 17, 2018 through August 19, 2018.

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 his or her on-scene representative.

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.

83 FR 31887