The photos below are of Captain Dave Showell of The Absecon Sportsman Center in New Jersey. It is late September and Captain Dave is catching both Spot and Mullet off the beach in Brigantine.
Captain Dave is poised to throw the net.
Captain Dave throws the net.
The Absecon Bay Sportsman Center has the best stock of live bait around.
Throwing a cast net is not hard. You can get an idea of how to do it from the photos above. You can also watch videos.
There are numerous You Tube "How to throw a cast net" videos available. Two are provided below. Each shows a slightly different tecqnique.