The summer heat is here! Which means the pools are open, visits and plans to vacation at the beaches are booked, lakes and rivers are on the upswing, and many people are dreaming of aquatic adventure. However, for all the pleasures that water can provide, swimming, wading, and cavorting in the water are not to be taken lightly. Swimming is a magical activity that can turn in an instant to disaster. Safety groups such as Ready OC advise that preparedness is the key. Johnny Johnson, of Tustin, a water safety ambassador, swim teacher, and founder of the Safer 3 Water Safety…