Are you excited for the Cow Harbor Day Parade? . The Cow Harbor Day Parade begins Sunday, 24th at Wm. Brosnan School, Laurel Ave. at noon. During this time our park vendors, Newton Rides and Midway are open. . Cow Harbor Day usually has some unannounced, unpublished surprises for both children and adults, so be sure to stick around! . #northport #nptchamber #northportchamberofcommerce #longisland #northportny #cowharborweekend #cowharborrace