This bill, titled the Northwest Straits Marine Conservation Initiative Reauthorization Act of 2025, aims to reauthorize and amend the existing Northwest Straits Marine Conservation Initiative Act. Its core purpose is to protect and restore the marine waters, habitats, and species within the Northwest Straits region of Puget Sound, recognizing its significant environmental and economic value. The legislation acknowledges the historical decline in environmental health, including impaired water quality, marine wildlife declines, habitat loss, ocean acidification, and sea level rise, emphasizing the need for continued citizen stewardship and local action. The reauthorization restructures the Northwest Straits Advisory Commission , detailing its composition with 14 members appointed from various county marine resources committees, Tribal governments, and the State of Washington. The Commission's goal is to achieve ecosystem health and sustainable resource use by designing science-driven projects, building awareness, fostering collaboration with partners like the Puget Sound Partnership, and expanding partnerships with Tribal governments while respecting treaty rights. Its duties include providing resources and technical support to marine resources committees, monitoring marine ecosystem health, collecting data, developing restoration recommendations, and serving as a public forum. The bill authorizes appropriations of $10,000,000 annually for fiscal years 2026 through 2031 to the Under Secretary of Commerce for Oceans and Atmosphere to carry out the initiative. This funding will support the Commission's duties, potentially through a contract with the Director of the Padilla Bay National Estuarine Research Reserve. The Commission is also required to submit annual reports detailing its activities and progress towards benchmarks such as habitat protection, species restoration, water quality improvement, data collection, and promoting marine resource stewardship through education and outreach, including to underresourced communities.