SPASC warns that sailing on Lake Macquarie without supervision and/or provision of safety boats involves risk of personal injury/death. The risk of injury/death can result from but is not limited to the following scenarios: attack from or injury caused by marine fauna; collision with participants; fixtures, boats, vehicles, third parties; falls, slips; being struck by objects/other participants; suffering physiological symptoms including, but not limited to, heart attacks, heat exhaustion, dehydration.