Wave sets are a series of waves that come in one after the other anywhere form 6 or 7 waves to 10 or so. followed by a short lull and then repeated. the object is to wade out about knee deep, watch the waves (sets) figure out when the lulls come. when the last wave in the set comes in, hop in kayak and paddle like heck. You will get wet. As far as swells go. It is whatever you are comfortable with. Iv'e been out in smaller swells but due to wind and currents, was more uncomfortable than with four ft. gently rolling swells. The same goes for how far out to go. Just remember, it takes longer to paddle back and you are more tired. Also it depends on weather conditions, wind, fog. Hope this helps. I sometimes have a hard time explaining what I know. (or don't know).
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