Nieuwpoort, Belgium offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nieuwpoort is known for its Marina, the largest in Northern Europe, and the King Albert I Memorial. The best time to travel to Nieuwpoort, Belgium, is from June to August, when the average air temperature is around 18-20°C (64-68°F) and the average water temperature is about 17-19°C (63-66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!