Port Hadlock, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Port Hadlock, Washington, United States, is known for the historic Fort Flagler State Park and its scenic views of the Puget Sound. The best time to travel to Port Hadlock, United States, is during the summer months of June to August, when the average air temperature is around 65-75°F and the water temperature is approximately 50-55°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!