I can help you. I was with Mike over the weekend.
A 16' boat should work. We saw a lot of boats in the 16-21' range even a couple of 14' aluminums. A lot of the fishing is done right outside Neah Bay off of Wahdahh Island and Seal Rock in 40-120 feet of water. You might need a bigger boat if you want to run to Tatoosh Island. Heck, the darn Makah were rowing out to Tatoosh Island in there little wood canoe with about ten guys in it. Talk about CRAZY! Must have been looking for the gray whale we saw earlier in the day. Weather is a big factor! I can say we were lucky this weekend to have such nice weather.
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Carl C.