Cedar Island, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Cedar Island is known for the Cedar Island National Wildlife Refuge and its ferry service to Ocracoke Island. The best time to travel to Cedar Island, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and the water temperature is approximately 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!