There should still be Skagit coho running through there, just fish the big back eddy at North Beach. As for bottomfish, you shouldn't have too hard a time getting the greenling to bite. You'll probably end up getting a few sculpin too(pretty colors). I don't know why, but for some reason the greenling I catch here have noticeably sized teeth.

Oh and you don't need a boat, you can catch fish from the beach just fine. If you fish the big pile of rocks at West Beach there are surfperch. If you fish the sandy/gravelly area south of it, you'll run into coho, flounder/sole, bullhead.