lucky for us, the baywatch guy swam to us with the buoy thingy and we were picked up by a motorboat from the next beach.
there was no way we could have swom against the tow!
that's another lesson - don't swim against the tow. you will tire out. either swim paralel to to tow and see a 100m or so further if you can swim, or if you are at a beach with life guards, lay back and float and raise one arm so they can see you.