Unlike many other Southern California Lakes Big Bear Lake is unique in the fact that it is high elevation. Taking this into consideration one must remember the risks related to the cold water and thin air which increase fatigue levels from an unexpected or expected plunge into the lake. Boaters and swimmers need to be aware that Big Bear Lake can experience extreme temperature changes throughout the summer.
On average Big Bear Lake water temperature fluctuates around 65° in the summer. It is not unlikely in the fall and spring that water temperatures can be in the low 50’s or colder. In the event of a capsized boat or swim from shore, a sudden immersion into the cold lake can cause instant blackout. The Big Bear Municipal Water District receives numerous calls each year for capsized vessels, mainly smaller type craft such as canoes and kayaks.
Remember all vessels must carry PFD’s and should be worn especially for smaller vessels which can easily be overturned. Because cold water conducts heat from the body more rapidly than air, it’s vitally important that you get out of the water as quickly as possible. Here are four simple rules to remember that could save your life.
STAY WITH THE BOAT: Never attempt to swim to shore unless there is absolutely no chance of rescue and you are absolutely certain you can make it. In 50 degree water even the strongest swimmer will be lucky to swim a quarter mile before succumbing to hypothermia.
REENTER IF YOU CAN: Getting back into a swamped craft without tipping it over isn’t easy. If weight is evenly distributed inside a boat with an outboard, crawl up over the motor. A solo paddler with a partly swamped canoe may be able to scoot in from the side, then rock the craft back and forth to empty water.
CLIMB ON TOP: If your boat is large and can’t be righted, climb out of the waterand onto the upturned hull. Arms raised and lowered is a universal distress signal, as is waving an oar or paddle.
STAY WARM: Once out of the water and to shore remove all wet cloths as soon as possible to begin the warming process.
