 Here's the marine forecast from the Tock of Delmarva Weather Center. Skies stay sunny this afternoon with highs of around 80. Current water temperature is at 68 degrees. On the water, northwest winds stay from 10 to 25 knots this afternoon. Seas of 3 to 5 feet, 2 to 3 foot seas tonight. For Rehoboth Beach, 4.54 p.m. high tide, 11.20 p.m. low tide, 5.10 a.m. high tide.