 and 552 inland. Those times are approximate. A UV index at 10 today, putting it in the very high category. Water temperature on average at 70, wave heights 2 to 4 feet, a low rip current risk for Delmarva, moderate for southern New Jersey. You can surf at the Delaware beaches before and after lifeguards are on duty. Generally, that's before 10 and after 5. In Ocean City, lifeguards are in the stands 10 a.m. until 5.30 at dedicated surf beaches. Today, 18th Street, 86th Street, and the inlet's open.