Cape Hatteras National Seashore as a high tide pounded the beach and washed over dunes in Buxton, the park service said. A sixth house collapsed around 11 p.m. The large waves and high seas from hurricanes Imelda and Humberto are forecast to linger for a few more days.

Five unoccupied houses along North Carolina’s Outer Banks collapsed into the ocean Tuesday as Hurricanes Humberto and Imelda rumbled in the Atlantic, the National Park Service said, marking the latest...

The threat to these structures often builds when storms affect the region, as is the case with the two latest storms, even as they headed further out in the Atlantic.