Great Lakes Restoration Financing Act of 2003

Great Lakes Restoration Financing Act of 2003 - Establishes the Great Lakes Advisory Board to: (1) develop a biennial comprehensive Great Lakes management plan; (2) coordinate Great Lakes restoration efforts; and (3) implement a public awareness campaign. Establishes a scientific working group to evaluate the scientific integrity of the Great Lakes restoration effort and assist the Board in its decisionmaking.

Requires the management plan to be submitted to the President, appropriate congressional committees, the governor of each Great Lakes State, and the Great Lakes mayors.

Includes as possible Great Lakes ecosystem goals: (1) the cleanup of toxic hot spots; (2) the elimination of invasive species; (3) pollution decrease; (4) the restoration and conservation of wetlands and critical coastal habitat; (5) the elimination of dead zones caused by hypoxia and harmful algal bloom; (6) the sustainable use and management of Great Lakes water resources; and (7) public participation in Great Lakes restoration.

Requires each Great Lakes State to have in effect a State Great Lakes Management Plan, approved by the Administrator of the Environmental Protection Agency and updated every two years, in order to be eligible for assistance apportionments authorized under this Act.

Provides apportioned funding to Great Lakes States for restoration activities.

Authorizes the Administrator to appoint a special master to direct the remediation of an area of concern.