 Here's the marine forecast from the Tock of Delmarva Weather Center. Partly sunny this afternoon with a high at around 93. Current water temperature is at 66.7 degrees. On the water today, south winds at 10 to 15 knots with seas ranging from 2 to 3 feet. For Rehoboth Beach, high tide 7.33 p.m., low tide 2.06 a.m., high tide 7.49 a.m. tomorrow. For Cambridge, high tide at 3.23 p.m., low tide 9.48 p.m., high tide 4.13 a.m. tomorrow morning.