Amends multiple subsections of 33 U.S.C. 3703: adds a new subparagraph (D) to 3703(c)(2) requiring the maintenance or establishment of an ongoing mechanism (for example, a NOAA liaison, standing meetings, or an online platform) to engage affected industry members, coastal stakeholders, community acidification networks, fishery management councils and commissions, Indigenous groups, non-Federal resource managers, and scientific experts not employed by the Federal Government; redesignates existing subparagraphs (G)–(Q) as (H)–(R) and inserts a new subparagraph (G) adding two representatives from Indian Tribes, Native Hawaiian organizations, Tribal organizations, and Tribal consortia; adjusts membership language by changing a subparagraph heading from 'Six' to 'Four'; amends appointment language in 3703(c)(4)(C) to replace 'State and local' with 'State, local, and Indigenous'; replaces paragraph (9) of 3703(c) with new text requiring the Advisory Board to develop and maintain a policy for engagement and coordination with Indian Tribes and to consult with affected Indian Tribes in developing that policy; and inserts a clause into 3703(e)(4)(A) to identify Secretary efforts to collaborate with State and local governments, Indian Tribes, and Native Hawaiian organizations on community vulnerability assessments, research planning, and similar activities, pursuant to section 12406(e).

Amends 33 U.S.C. 3704(b) (contents of the strategic research plan): updates a cross-reference by replacing 'section 12404(c)(4)' with 'section 12404(e)(4)' in paragraph (10), and revises paragraph (11) to change the enumerated stakeholders/lists to 'affected industry members, coastal stakeholders, community acidification networks, fishery management councils and commissions, Indigenous groups, non-Federal resource managers, and scientific experts not employed by the Federal Government.'

Makes multiple amendments to 33 U.S.C. 3705 (NOAA ocean acidification activities): changes wording in subsection (a)(1)(C) from 'maximize' to 'take into consideration'; replaces references to 'Tribal governments' with 'Indian Tribes, Native Hawaiian organizations' in subsection (a)(1)(F); updates stakeholder phrasing in subsection (a)(4) to 'affected industry members, coastal stakeholders, community acidification networks, fishery management councils and commissions, Indigenous groups, non-Federal resource managers, and scientific experts not employed by the Federal Government'; revises subsection (c)(1) wording from 'State, local, and Tribal governments' to 'State and local governments, Indian Tribes,'; inserts a new subsection (c)(2)(B) to add receipt of information on ocean acidification and coastal acidification research, data, and monitoring from affected industry members, coastal stakeholders, community acidification networks, fishery management councils and commissions, Indigenous groups, non-Federal resource managers, and scientific experts not employed by the Federal Government, and adjusts subparagraph lettering; replaces 'Tribes or Tribal governments' with 'Indian Tribes, Native Hawaiian organizations, Tribal organizations, and Tribal consortia' in subsection (d)(1)(C); and adds a new subsection (e) directing the Secretary to collaborate with State and local governments and Indian Tribes (and, as appropriate, Native Hawaiian organizations, Tribal organizations, and Tribal consortia) on vulnerability assessments, research planning, climate action plans, and similar activities, to support interagency relationships and information sharing, assist in improving systems/programs, identify model activities for other communities, and to prioritize underserved populations and entities in NOAA resource use.

Amends the definitions in 33 U.S.C. 3702 by striking paragraph (4); redesignating existing paragraphs (2), (3), and (5) as paragraphs (4), (5), and (6); inserting two new definitions after paragraph (1) for "Indian Tribe" (referencing 25 U.S.C. 5304) and "Native Hawaiian organization" (referencing 25 U.S.C. 4352); inserting unspecified text into paragraph (4) as redesignated (text not shown in excerpt); and adding new paragraphs (7) defining "Subcommittee" and (8) defining "United States."

Technical wording changes in section 12402: adds a comma in the list in paragraph (1) and rephrases paragraph (4) to change wording about research on adaptation and mitigation.