Transcript for New video shows kayaker attacked by great white shark

Look at this. One man's terrifying close encounter with a shark all caught on camera. That great white, first took a bite out of his kayak and then it moved in for him. ABC's linsey Davis is at new York's orchard beach with us with what you need to know as shark season gets under way on the east coast. Good morning, linsey. Reporter: Good morning, Dan and Paula. It turns out shark season is pretty much synonymous with summer season and the reason is simple. When the water warms up, the sharks are more likely to show up and thanks to today's technology we're even more likely to end up with footage of the encounter. It's the stuff of nightmares. That person just got knocked off by a shark. Reporter: Watch this as he's being attacked by a great white in Monterey. The shark's fin breaches the water as it stalks the kayaker. Call somebody. Reporter: A nearby couple captured every moment when it occurred in March before the kayak took refuge on a sailboat passing by. It might seem like a scene right out of "Jaws" but shark encounters are increasing from coast to coast and as summer kicks off this memorial day weekend beachgoers are being warned to watch out for the ocean's most feared predator. Exit the water in a wall manner. Reporter: Earlier this month Orange county sheriff's department spotted over a dozen great whites just off the San Clemente coastline. You are paddleboarding next to approximately 15 great white sharks. Reporter: On the east coast in April, this girl was bitten by a shark in Florida waters left with multiple wounds and more than 120 stitches. She's got the complete bite imprint of a big shark on her thigh. Reporter: Dave salamoni says many things can attract a hark. Its fast motion that they'll be interested in and they'll investigate with their mouth. Reporter: The good news while sightings are common attacks are rare. Sharks are swimming alongside people all the time. Let them do their thing. Reporter: The kayaker in this video was successfully rescued and later posted online, I suspect that I just joined a very small club, one I never wanted to join. Some quick tips in order to stay safe. Avoid swimming at dusk and dawn and stay away from sales and avoid wearing shiny objects that they could mistake for a fish and last but not least, key and where I would most likely fail, because quick motion is most likely to attract their attention. If you find yourself face-to-face with a great white stay calm and move away slowly, Dan and Paula. I'm sure people cool and calm like Y guys could easily do that. Oh, yeah. I'd have a bit of a problem. It would be so easy to stay calm. I love how the animal expert it's just the way sharks investigate with their mouth, totally reassureing. With their mouth. Linsey, great to have you this weekend. Great to see you. You match Adrienne Bankert. I think you guys have the same shirt on. We planned it. We got the same exact yellow shirt. Coming up on "Gma" back to indy and rob Marciano who got a

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