if you're going to be anywhere from the outer banks north up to massachusetts up to maine, one of the big concerns are going to be rip currents. that is even after arthur has passed and what is a rip current? we always hear about these. let me sort of show you an animation here. as you look at the sand in this picture, you see what looks like a little valley of sand. that is where the water is coming in and rushing out. you're swimming there and trying to fight against what you can't see. a current of water is trying to take you out. even an olympic swimmer would be exhausted by trying to fight this. what you're supposed to do is swim parallel to the shore, get yourself out of that valley that is taking all of the water out, way out into the ocean, and then make your way to shore. it is so much easier said than done. there will be extra lifeguards in places up the east coast for this holiday weekend already any way. really a lot of good suggestions are if you're not sure, you're no a good swimmer, you really don't want to get yourself into