State-by-state guide:
Hawaii
Haw. Rev. Stat. § 571-41(b) (1998): In general, only persons whose presence is requested by a parent or guardian or whom the judge deems to have a direct interest in the case upon considering the minor’s best interests, can attend juvenile proceedings. However, see exception provided in § 571-84.6 (below).
Haw. Rev. Stat. § 571-84 (1998): Only persons having a legitimate interest in the case, from the standpoint of the juvenile or those with a court order, can view juvenile court records. Otherwise, court dockets, petitions, complaints, motions and papers filed in the case are to be withheld from the public.
Haw. Rev. Stat. § 571-84.6 (1998): All legal records related to certain violent crimes, such as first or second degree murder or attempted murder, are open to the public, unless the judge or court finds "that there are significant and compelling circumstances peculiar to the case" to forbid public access.