 On WGMD, Rehoboth Beach, Ocean Pines, and WUSX Seaford, Del Mar. The talk of Delmarva. Here are your Delmarva tides. R&A Milford at the mouth of the Muspillion, a high tide at 1135. Rehoboth Beach, high tide at 1008. Indian River Inlet, high tide at 1103. Little Assawoma Bay, a high tide at 1045. Ocean City Fishing Pier, a high tide at 953.