The president proclaimed June 2013 as National Oceans Month.

EPA proposed to redesignate the Atchafalaya-West Ocean Disposal Site in Louisiana as a permanent ocean-dredged material disposal site under the Marine Protection, Research, and Sanctuaries Act.

EPA finalized designation of two ocean-dredged material disposal sites offshore of Yaquina Bay, Oregon, under the Marine Protection, Research, and Sanctuaries Act.

EPA proposed to designate two new ocean dredged material disposal sites offshore of Yaquina Bay, Oregon, pursuant to the Marine Protection, Research, and Sanctuaries Act.

The CEQ announced the availability of a draft implementation plan to improve the health of the ocean, coasts, and Great Lakes and seeks public comment. 

EPA announced the release of the draft report titled, Aquatic Ecosystems, Water Quality, and Global Change: Challenges of Conducting Multi-Stressor Vulnerability Assessments, for public comment.

NOAA-Fisheries announced a 90-day finding on a petition to revise critical habitat for the endangered leatherback sea turtle off the northeast ecological corridor of Puerto Rico; the agency found that revision may be warranted.

NOAA-Fisheries established ocean salmon management measures for fisheries off the coasts of California, Oregon, and Washington through May 1, 2012.

EPA updated outer continental shelf air regulations for California.