Waihau Bay, New Zealand offers 1 beach perfect for sunbathing, surfing, swimming, and more. Waihau Bay is known for its stunning coastal scenery and as a filming location for the movie "Boy." The best time to travel to Waihau Bay, New Zealand, is during the summer months of December to February, when the average air temperature is around 22°C (72°F) and the water temperature is approximately 20°C (68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!