Port Washington North, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Washington North is known for its proximity to the scenic Manhasset Bay and the historic Sands Point Preserve. The best time to travel to Port Washington North, United States, is during late spring to early fall (May to September), when the average air temperature ranges from 60°F to 80°F (15°C to 27°C) and the water temperature in nearby Long Island Sound is around 60°F to 75°F (15°C to 24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!