Aye, any body of water can be dangerous. Lake Erie is so damned shallow your keel probably struck a sand bar, and threw you over. When your Christmas dinner is rolling on the galley deck, you just don't care if its fresh or salt water that did it; you ain't going to eat turkey or pudding thats all. Only jerking ya lanyards mates have a safe watch on yer voyage. S.S. Mudcat (middle watch)vessel moving easily in fine weather, wind SSW 10 knots shipping green seas over both masts in dense horizon haze. Visibility zero in the dark. lights are bright and the Lamptrimmer just turned in for the night. two lookouts posted f'rd TTFN