Port of Ness, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Port of Ness, Scotland, United Kingdom, is known for its picturesque beach and the Butt of Lewis Lighthouse. The best time to travel to Port of Ness, United Kingdom, is during the summer months of June to August, when the average air temperature is around 15°C (59°F) and the water temperature is approximately 12°C (54°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!