It seems that 2010 Bordeaux may be combining exquisite taste with a little bit of extra kick.

As the region's chateaux start to bring in their Merlot harvest, wine magazine Decanter notes that the quality is undeniable but alcohol levels in the wines may be higher than expected.

Some of the Merlot grapes could produce wines with alcohol content as high as 15.5 per cent, and the first Cabernet Sauvignon grapes - due to be picked this week - will be much the same.

Chateau Ausone winemaker Philippe Baillarguet told the magazine that he decided to leave the grapes on the vine a little longer.

"There is a little rain now, which is good, and we have waited until the tannins have softened and become fine. The alcohol is undeniably high, but we will work to ensure balance," he said.

Early reports have also shown that the Champagne harvest is set to be very strong this year.