Glasscarrig North, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Glasscarrig North, Leinster, Ireland, is known for its proximity to the scenic beaches of the Irish Sea and the historic sites of County Wexford. The best time to travel to Glasscarrig North, Ireland, is from June to August, when the average air temperature is around 15-20°C (59-68°F) and the average water temperature is about 14-16°C (57-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!