Wightlink says normal service can resume after it carries out overnight repairs.
Wightlink said it was unable to unload vehicles or foot passengers after the incident at Gunwharf.
Major continuing roadworks are affecting key routes across the Isle of Wight.
The woman was riding as a passenger and has been left with serious injuries, police say.
Travellers reported waits of more than seven hours for ferries between Portsmouth and Fishbourne.
Sailing times will change and crossings will be about 15 minutes longer, taking about one hour.
A girl running in front of a train and a truck tearing off a barrier are among recent incidents.
Passengers take part in marine workshops during the Isle of Wight's Biosphere Festival.
Crossings between Portsmouth and Fishbourne were suspended over "technical issues", says Wightlink.
