 Here is the marine forecast from the Tuck of Delmarva Weather Center. Sunshine with highs in the lower 80s for the 4th of July. And on the water, south winds 10 to 15 knots, seas 2 to 3 feet. The current water temperature is 67 degrees. At Cambridge, low tides at 10.30 a.m., high tide at 3.23 p.m., low tide again at 9.48 p.m. And at Rehoboth Beach, high tide at 6.59 a.m., low tide 12.55 p.m., high tide again at 7.33 p.m.