Be very careful on the outgoing tide and especially in the afternoon when the wind picks up. If you go up by the bridge, it can be a lumpy snotty ride back if you stay too long. If you keep an eye on the wind and the tide, you should be fine. Remember, you pfd does no good if it's not on.

Make you own decision and get other peoples opinion, but quite frankly I would not even consider going out there in your boat. Been there, done that and will never do it again, just not fun. But you need to know a couple of things, 1, I have access to rides on biggger boats, so my 18ft sled sits home. 2. every year 19, 21 and 23 ft boats go down in this fishery when they get caught in the wrong area and the wrong time in the tide /wind, and/or something goes wrong. 3. I catch lots of salmon throught the year (lots). I am fishing 5 days next week up there and will most likely give away 80% of what I do keep, so I'm not willing to take risks for fish I won't even keep. Do you have 2 motors, VHF Radio, are you an experienced skipper, do you make good decisions or will you take risks to catch a fish, do you have big kahones. It can be done and done saftly, but your margin for error is not large enough for me. My 0.02 worth. Good luck whatever you do.
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You can always tell a fisherman, you just can't tell him much.