NORTH TOPSAIL, NC (WWAY)– Hundreds of people gathered along the shoreline at North Topsail Beach in Pender County on the Fourth of July, taking advantage of clear skies and warm holiday weather. While many visitors were focused on enjoying the holiday, local officials and residents are continuing to warn about a steep offshore sandbar that can drop as much as 30 feet in some areas, creating potentially dangerous swimming conditions. Despite post…