What is the best course of action if a boat capsizes?

When a boat capsizes, the best course of action is to stay with the boat. This is because a capsized boat provides some level of buoyancy and can serve as a flotation device, which is crucial in keeping you above water while awaiting rescue. Staying with the boat makes it more visible to rescuers and increases the chance of survival, especially in cold water conditions where hypothermia can be a risk.

Swimming to shore immediately can be dangerous, as it may lead to exhaustion, especially if the distance is significant. Additionally, it can divert attention away from the boat, which is easier for rescuers to spot. Trying to float on your back is commendable for conserving energy, but without the support of the boat, it may not provide the same safety benefits that the boat does. Paddling with your hands can lead to fatigue and may not be effective if the current is strong.

Thus, staying with the boat is the most prudent action, maximizing safety and visibility until help arrives.