- A white and blue Alpha flag means there is a swimmer or diver in the water.
- Keep a look out. Swimmers are not easy to see.
- Make yourself aware of the lake byelaws for the National Park's lakes.
- If you are using a powerboat, make sure you have had suitable training.
- Know your lake.
Swimmers and other lake users may be in any area of the lake at any time of day or night.
- Maintain a proper lookout for swimmers and other boats.
- Swimmers can be very difficult to see, especially when there are waves or sun glare.
- Keep as far away from swimmers and their support boats as possible.
- Boats supporting swimmers can not move out of your way.
- Your wash can put swimmers and other lake users into serious difficulty.
- Slow down and keep a safe distance.
Turn off engine
- Always wear a kill cord, and make sure it is attached to the driver of the boat.
- In an emergency, if you do get too close to a swimmer, turn off your engine to stop injury from propellers.
- In an emergency ring 999 and ask for the coastguard.