A large number of sharks were spotted in the Gulf of Mexico as they headed back towards Grand Isle, La. after migrating for the winter. 

The amateur video was shot from an an oil platform 30 miles off the coast of Grand Isle. The video shows the sharks heading back north after the winter, and they are returning in massive numbers.

Beware, if you're heading to Grand Isle in the near future, you may not be the only one in the water. Be safe, and Stay Alert.

This video comes just in time as we are about to get back into the water during the summer months. Scary.

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