Alpena, United States offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Alpena is known for the Thunder Bay National Marine Sanctuary. The best time to travel to Alpena, United States, is in July when the average air temperature is around 70°F (21°C) and the water temperature is approximately 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
