The U.S. Bureau of Ocean Energy Management has announced the availability of a Draft Supplemental Environmental Impact Statement for the proposed Gulf of Mexico Outer Continental Shelf oil and gas Central Planning Area Lease Sale 247. This Lease Sale is tentatively scheduled for March 2017. The Draft Supplemental Environmental Impact Statement provides a discussion of potential significant impacts of the proposed action and provides an analysis of reasonable alternatives to the proposed action. It also considers new information made available since the completion of earlier EISs related to CPA Lease Sale 247. The prior 2012– 2017 Gulf of Mexico EISs are available on BOEM’s Web site at http:// www.boem.gov/nepaprocess/. This Notice of Availability also serves to announce the beginning of the public comment period for the Draft Supplemental EIS.