For many divers scuba is an activity associated with warm waters and exotic destinations. They dive during the summer or on a tropical vacation, but when the winter hits they mothball their equipment and wait for the warmer weather. However, it doesn’t have to be this way. If you are one of those divers, who happen to live where the water gets colder this time of the year, you can take full advantage of the “off season” by giving cold water diving a try. Here are a few things you should know before taking a plunge into those chilly waters.