According to a Dow Jones survey of analysts, gasoline stocks are expected to rise by 1.5 million barrels, distillate stocks by 800,000 barrels and crude inventories by 120,000 barrels.
Light, sweet crude for July delivery fell 60 cents to 65.61 dollars a barrel on the New York Mercantile Exchange.
Brent crude for July rose 5 cents to 70.45 dollars a barrel on the ICE Futures exchange in London.
Crude prices rose sharply Monday as an Indian Ocean storm is to hit the Persian Gulf.
On Tuesday, Saudi Arabia said the cyclone would have no direct effect on the central and eastern parts of the kingdom.
However, traders were worrying the storm could have unanticipated effects.