water temperature in Helgeroa (6 km) | water temperature in Porsgrunn (17 km) | water temperature in Stavern (17 km) | water temperature in Portør (28 km) | water temperature in Sandefjord (31 km) | water temperature in Tønsberg (48 km) | water temperature in Horten (63 km) | water temperature in Moss (70 km) | water temperature in Fredrikstad (71 km) | water temperature in Store Brevik (78 km)