Coast Guard Readiness Act of 2002

Coast Guard Readiness Act of 2002 - Requires the Secretary of Homeland Security establish a system of Interagency Homeland Security Fusion Centers (Centers) composed of members from specified Federal agencies and foreign governments.

Directs the Centers to: (1) coordinate maritime homeland security information focusing on air and sea approaches to the United States; (2) facilitate information sharing between specified Federal agencies and foreign governments; and (3) provide intelligence to the appropriate Federal Agencies concerning maritime threats to homeland security.

Requires Centers to: (1) have access to all databases and information systems of member Federal agencies; (2) collect, compile, analyze, and disseminate agency information to identify and locate potential threats to homeland security; and (3) alert all pertinent government agencies regarding potential homeland security threats.

Provides that no budget request submitted to Congress for FY 2004 or 2005 may contain a request for reductions in Coast Guard appropriations for specified non-homeland security mission areas below the larger of the FY 2002 or 2003 levels appropriated and allocated for each area.