The bill seeks to reauthorize and amend the Northwest Straits Marine Conservation Initiative Act, focusing on the marine waters of the Northwest Straits region. The amendments primarily pertain to the composition of the Commission, defining terms, and outlining its duties and goals. The bill emphasizes the importance of science-driven projects, community involvement, partnerships with Tribal governments, and economic benefits related to marine conservation. The Commission's responsibilities include providing technical support, collecting data, and serving as a forum for discussing marine ecosystem policies. It also proposes an annual report to monitor progress. The reauthorization would terminate 7 years after enactment.