Hook of Holland, Netherlands offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Hook of Holland is known for its beach, the Maeslantkering storm surge barrier, and the ferry service to Harwich. The best time to travel to Hook of Holland, Netherlands, is from June to August, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 17-20°C (63-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!