Там  холодное не особо купабельное море. Как Балтийское.https://www.bing.com/search?pglt=41&q=%D1%82%D0%B5%D0%BC%D0%BF%D0%B5%D1%80%D0%B0%D1%82%D1%83%D1%80%D0%B0+%D0%B2%D0%BE%D0%B4%D1%8B+%D0%B2+%D0%BC%D0%BE%D1%80%D0%B5+%D0%BB%D0%B5%D1%82%D0%BE%D0%BC+%D0%B2%D0%BE+%D0%B2%D0%BB%D0%B0%D0%B4%D0%B8%D0%B2%D0%BE%D1%81%D1%82%D0%BE%D0%BA%D0%B5&cvid=0039e8f11d364f47884010876ec022e2&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQABhAMgYIAhAAGEAyBggDEAAYQDIGCAQQABhAMgYIBRAAGEAyBggGEAAYQDIGCAcQABhAMgYICBAAGEDSAQkxNzYxNGowajGoAgCwAgA&FORM=ANNTA1&PC=U531