Boating in big waves can be extremely dangerous, and it's important to take all necessary precautions when navigating rough waters. Here are some of the potential dangers of boating in big waves:

Capsizing: Big waves can cause a boat to tip over, especially if it's not designed to handle rough waters. If a boat capsizes, the passengers can be thrown into the water and face serious injury or drowning.

Collision: Waves can also make it difficult to see other boats, especially if they're riding high on the waves. This can increase the risk of collision, which can be deadly.

Loss of control: In big waves, it's easy for a boat to lose control, especially if it's going too fast or the waves are too high. This can result in the boat being tossed around potentially capsizing.

Water in the boat: Big waves can also cause water to enter the boat, which can make it difficult to steer and control the vessel. This can increase the risk of capsizing or collision.

When conditions are particularly dangerous, the National Weather Service may issue a Small Craft Advisory, which means that conditions are potentially hazardous for smaller boats. It's important to heed these advisories and avoid boating in dangerous conditions to minimize the risk of injury or death.