Foul weather and high surf have forced cancellation of O'ahu's commuter ferry service for a third day, but operations could resume tomorrow.

The rough conditions also have delayed testing of one of the two boats after a new engine was installed last weekend.

The vessel, known as the Rachel Marie, has been out of service since its port engine failed on Nov. 8. It must be certified by the Coast Guard before it can resume operations.

Officials say the boat is in the water and ready for sea trials, which will begin as soon as weather permits.

The ferry service, dubbed TheBoat, has operated between Kalaeloa and Aloha Tower since September.

The engine problems had forced the cancellation of two of the ferry program's six daily trips in each direction.

The city has operated shuttle buses to make up for the canceled trips.

TheBoat will accept Toys for Tots donations of new, unwrapped toys from riders until Dec. 14.

In return, TheBoat will give each donor a ticket good for either a future ride on TheBoat, including the F-shuttle buses, or a beverage and a snack item on TheBoat.

Each of the 72-foot aluminum catamarans can carry a maximum of 149 passengers. Some trips have been full, but others have been nearly empty.

The city plans to operate the service for one year and determine if it should continue, and whether changes are needed.

The ferry service and five linked bus routes are expected to cost $6 million for the year. Federal grants are providing $5 million.