It’s not getting any easier to cruise down the Intracoastal Waterway this winter. Indeed, the Coast Guard is reporting four more spots with dangerous shoaling conditions from mile marker 237 to mile marker 321 along the Waterway in North Carolina. The new shoals are at: Mile marker 237, Browns Inlet intersection near Bogue Sound, where a 200- yard shoal extends into the channel with depths from less than one foot to five feet at mean low water. Mile marker 271, Howards Creek Intersection near the New River-Cape Fear River buoy 99A, where a 350-yard shoal extends into the channel with…