Harbor Cruise Alert! Enjoy a summer’s night on the high seas aboard the Provincetown II. On Wednesday, June 20th from 7pm to 10:00pm, help support the South Boston Boys & Girls Club with a night of fun featuring three decks worth of entertainment! Boat leaves from Commonwealth Pier. Boarding begins at 6:30pm The night will also include raffles and a silent auction. All proceeds will support the summer programs at the club.Tickets for the event can be purchased online at www.bgcb.org $25.00 each/$20 for group…