New London — Representatives of Opsail Connecticut and Tall Ships America will sign a contract here Tuesday designating New London as an official port of call for a 2020 tall ships event scheduled for June 11-15.

Both New London and the City of Groton will participate in the international event, according to a press release issued by Opsail Connecticut, the nonprofit that produces the annual Connecticut Maritime Heritage Festival. Officials from surrounding towns, including East Lyme, Stonington and Waterford, have offered support for the 2020 event, the release says.

State officials have been apprised of the event.

Opsail Connecticut also plans to unveil a new logo and announce the appointment of a new chief operating officer on Tuesday.

Tall Ships America, a nonprofit based in Newport, R.I., is involved in youth education, leadership development and the preservation of the maritime heritage of North America.

— Brian Hallenbeck