Maine’s historic windjammer fleet and rich maritime heritage are being celebrated with the kickoff of the 51st annual Windjammer Days festival. The two-day festival gets under way Tuesday in Boothbay Harbor. It wraps up Wednesday night with a fireworks show over the harbor. A total of 11 windjammers will be under sail in the harbor for the windjammer parade on Wednesday. Besides the windjammers, the festival features an antique boat parade, a street parade, concerts, arts and crafts, boat excursions, food and more.