 ...around 2 feet. Saturday, east winds around 5 knots and seas around 2 feet. At Rehoboth Beach, low tide at 1.34 a.m. overnight and high tide at 7.25 a.m. Saturday morning. And for Cambridge, low tide at 9.15 p.m. and high tide at 3.46 a.m. The current water temperature is 77 degrees.