Port Clyde Kayak tour, in support of Georges River Land Trust. This 2.5-hour water adventure is for everyone 12 years and older. See osprey, seals, dolphins and eagles while paddling around the nearby islands. Light refreshments will follow the tour on the dock overlooking the harbor. Tickets: $65 for GRLT members, $70 for non-members. For tickets call GRLT at 594-5166 or order online at www.grlt.org/revelryevents.html. (Rain date: Sept. 9, 2 p.m.)