The new ferry hit the side of the Guernsey's quay on the last weekend of March when docking in the island in high winds.
It took a week to repair the damage in Poole, the welding work took longer than expected after being held up by bad weather.
The Condor Liberation is expected to return to its normal schedule tomorrow.
Repairs to the engine have been completed earlier than expected.
The Liberation will be tested this afternoon at full speed on its journey to the UK this afternoon and following a successful voyage the boat will operate at full speed tomorrow.
The weekend event coincides with International Pride Month and the 51st anniversary of the Stonewall riots.
The scheme has been backed by the island's Lieutenant-Governor, and is the first of its kind in the Channel Islands.
Sunny spells and isolated light showers. After dusk fair spells with isolated showers.