This story has been kicked around for a little while now, and finally Capcom decided to jump in and deliver a knockout punch to all of the rumor’s: 16:9 widescreen is being supported for the Wii version. As displayed on the Okami Wii page:

• New Widescreen (16:9) and 480p progressive scan support.
• Real-time fighting system and special attacks using brush techniques to decimate enemies and solves puzzles.
• Use innovative controls and the Wii remote to “paint” your desired powers.
• Fight against a wide variety of fascinating yet deadly enemies!
• Communicate with unique characters.
• Blend of stylized graphics and unique gameplay results in a rich and dynamic experience.
• Expand your god-like powers as you progress through the game!

There you have it widescreen lovers, Capcom’s got you covered.

Capcom US