sentences:  In Summertime average water temperatures are around 17c, sometimes a few degrees higher during periods of good weather.One of the more popular training swims is out to Turgesius Island a distance of exactly one mile from the slipway at the cut.Whilst a "safe" lake in the sense that access and egress are easy, during periods of moderate or stronger, due westerly winds swimming can become very challenging as waves can quickly form and swimmers are advised to stay close to shore.