It's not always a sunny day on the beach. No matter which Delaware beach your family flocks to, some days this summer are bound to bring rain, storms and other weather that keeps you off the sands.

Hurricane Erin, now a Category 4 storm after intensifying to a Category 5 storm in the Caribbean earlier in the day, will bring some serious swell to the Delaware beaches. As of 11 p.m. Aug. 16, the ...