The two neighbors resumed UN- and US-brokered talks in 2020 but the process soon ground to a halt over their dispute about an area rich in natural gas.
"Information coming from the US and UN indicates that progress has been made in the talks ... I expect that an agreement could be reached in September," the diplomat told LBCI news channel.
Lebanon initially laid claims to 860 square kilometers (332 square miles) of waters but then modified the bid to include an extra 1,430 square kilometers alongside a part of the Karish gas field, claimed in its entirety by Israel.