"Today we expect 5 vessels to enter at the port of Chornomorsk - this is the largest figure during the operation of the 'grain corridor'," Ukraine's seaports authority said before their arrival.
The authority added that 24 ships carrying food had left Ukrainian ports so far during the 17 days of the grain corridor operation under the Initiative for the Safe Transportation of Grain and Foodstuffs.
Thanks to the framework agreement brokered by Turkey and the United Nations, Ukraine managed in early August to resume exports from its Black Sea ports, which had been stalled for five months because of Russia's Feb. 24 invasion.
Ukraine used to export by sea 5 million to 6 million tons of agricultural products monthly before the Russian invasion blocked Ukrainian ports.
Kyiv has said it hoped to increase the monthly volume of sea exports to 3 million tons in the coming future in order to clear a backlog of 18 million tons of grains left over from last year's harvest and start selling the new crops.
Moscow calls its invasion of Ukraine a "special military operation" to demilitarise its neighbour and "protect Russian-speaking communities." Ukraine calls it an imperialist war of conquest.