This page has links to both Federal and Washington State boating requirements, as well as a link to a Float Plan form from the US Coast Guard Auxiliary.
Don't get caught without the right gear. These are Federal minimum requirements - state and local laws and common sense may dictate carrying additional equipment.
To ensure your and others' safety on the water, get to know the state regulations for operating your boat
PDF form you can fill out before you go boating, and leave with a trusted friend or family member. Do NOT file with the Coast Guard.