Bayside, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Wittmund is known for its proximity to the East Frisian Islands and the historic Wittmund Windmill. The best time to travel to Bayside, United States, is during late spring (May to June) when the average air temperature is around 70°F (21°C) and the water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!