the 100th annual high-speed hydroplane regatta series is the american powerboat association's world championships for inboard hydroplanes and jersey skiffs, 11 a.m.-5 p.m, saturday and sunday
easter seals combines boaters with special needs kids for a day on the water at harborview marina in baltimore, 8:30 a.m.-1 p.m
•groovin in the parkgroove in the park at groovin in the park at holly point nature park in deltaville with music on the waterfront from 6-8 p.m.
hook up at the bumper bash on dobbins island on the magothy river, 11 a.m.-9 p.m.
this annual festival at the havre de grace maritime museum has maritime activities for the whole family, including a crab and bull roast and the upper bay soup challenge, 10 a.m.-5 p.m.