with me los angeles county lifeguard and water safety expert ken haskett. becky - when a big wave dumps you onto that hard sand ken haskett - captain, lifeguard division, county of l.a. dire dept. ken - it's like wet cement to stay safe, experts say swim in lifeguarded areas. ken - always check-in with the lifeguard. and think like a surfer. study the water before you get in. ken - look at the ocean. have that situational awareness. waves come in sets. get through the break zone during smaller waves. and if you're caught inside as a big one hits. don't brace yourself standing tall. ken - it tightens you up and the wave will push you over of water. becky standup - "go down grab sand. ken - "you go under that. dissipate. relax. grab a breath of air, grab some sand and relax under the wave. t beneath the wave to clear it and a big one tumbles you. these next instructions could save your life. ken - "grab your back of your head (nats) - elbows are in front of you so if you hit the that was becky worley reporting. the summer olympics are now expectations? ahead

with me los angeles county lifeguard and water safety expert ken haskett. that hard sand. >> it's like wet cement. >> reporter: to stay safe, experts say swim in lifeguarded areas. >> always check with the lifeguard. they'll give you the safe area to swim. >> reporter: and think like a surfer, study the water before you get in. >> look at the ocean. have that situational awareness. >> reporter: waves come in sets. get through the break zone during smaller waves. and if you're caught inside as a big one hits, don't brace yourself standing tall. >> it tightens you up and the wave will push you over and slam you into the sandy bottom. >> reporter: as counterintuitive as it, ken says if you see that wall of water, go down and grab sand. >> if you go under that, it dissipates. relax. grab a breath of air, and relax under the wave. >> reporter: but if you aren't able to get beneath a wave and a big one tumbles you, these next instructions could save your life. >> grab the back of your head, elbows are in front of you so if >> reporter: whoo! spin cycle. i spoke w