September London cocoa slipped 0.1% to 1,609 pounds per tonne.
July raw sugar rose 1.9% to 17.70 cents per lb, having settled down 1.9% on Monday.
July arabica coffee rose 0.3% to $1.6055 per lb, having settled down 1.5% on Monday, extending its retreat from last week's 4-1/2-year high of $1.6675.
About 23,000 tonnes of beans were delivered to Abidjan port and 24,000 tonnes to San Pedro between May 17 and May 23 for a total of 47,000 tonnes, up from 29,000 tonnes during the same week last season.
July arabica coffee was little changed at $1.4590 per lb.
The Brazilian real hit a 2-1/2 month high versus the dollar on Wednesday, deterring farmers and exporters from selling by lowering returns in local currency terms.
Ivory Coast's 2020/2021 cocoa mid-crop harvest started on April 1 and will end Sept. 30.
About 7,000 tonnes of beans were delivered to Abidjan port and 3,000 tonnes to San Pedro between April 1 to April 4 for a total of 10,000 tonnes, down from 16,000 tonnes during the same week last season.
"We forecast the global market in an 8.5 million tonne surplus in both 2020/21 and in 2021/22. In 2021/22, production will recover in the EU, Thailand and Russia among others," said Fitch Solutions.
A weaker real encourages Brazilian exporters to sell dollar-priced commodities such as sugar and coffee because it raises their returns in local currency terms.
Dealers noted buying emerged around the day's low of 15.55 cents a lb, a level where it also found support on Friday and in early February.
*May arabica coffee fell by 0.75 cents, or 0.6%, to $1.3375 per lb.
* May raw sugar fell by 0.25 cents, or 1.5%, to 16.05 cents per lb.
* May London cocoa fell by 3 pounds, or 0.2%, to 1,734 pounds a tonne.