Who must wear a life jacket in wa state in a boat under 19 feet?

In Washington state, all children under the age of 13 must wear a life jacket while on a boat that is less than 19 feet long, regardless of whether they are on deck or below. Additionally, anyone operating or riding on personal watercraft, such as jet skis, is also required to wear a life jacket. It's important for all boaters to consider wearing a life jacket for safety, even if they are not legally required to do so.