MAINE, USA — Maine is famous for its rugged coastline, with more mileage than any other state in the continental U.S. Many towns sit along the shores of the idyllic, and often very chilly, Gulf of Maine. It should be no surprise to people who live or frequent the coast, especially during the winter or spring, that the ocean has a notable impact on the weather. Heat capacity is the amount of heat, meaning energy, it takes to raise the temperature of a substance by one degree.