A sinking boat is causing quite the commotion in Port Dalhousie this morning.

Police and fire crews were called to Port, right in front of the Port Mansion at 7 o'clock after witnesses reported seeing a tour boat taking on water.

The St.Catharines Fire Department arrived at the scene and confirmed no one was on the boat and it was sinking.

The Coast Guard has been called in.

The boat is also leaking fuel into the water.

No injuries are reported.