Arthur was not at hurricane strength late Wednesday . Boston Harbor Fireworks Festival will be held Thursday , not July 4 . Arthur will threaten parts of the East Coast but spare most Fourth of July celebrations . Late Wednesday , a mandatory evacuation order was issued for Hatteras Island and a voluntary evacuation order went out to Ocracoke Island . Arthur is expected to veer away from land and be gone by Friday .
Arthur was not at hurricane strength late Wednesday . Boston Harbor Fireworks Festival will be held Thursday , not July 4 . Arthur will threaten parts of the East Coast but spare most Fourth of July celebrations . Arthur is expected to veer away from land and be gone by Friday .