OK, first, the green water is ALWAYS just a little out of reach :), unless it's really trout-green to the beach, and that doesn't happen very often, but when it does...
Second, there are 3 sandbars on our coast, and between each sandbar is a "gut," so when you say you went out about 30 yards, sounds like you were in the gut between the 1st and 2nd sandbar. So, keep walking a bit and it will get shallower again (where the waves are breaking). Cast from the 2nd sandbar into the gut and go put your rod in a section of PVC pipe and grab a beer, unless the current and/or grass are bad, and then, you are kind of screwed. If you want to fish lures, then just stand out on the second bar and cast, moving up and down the bar as you see bait. But, if the water is brown, I wouldn't bother with that...need some green in the water for trout to be there in any numbers. Also, the first gut WILL hold fish, especially early and late. Don't forget to fish it before striking out for the 2nd sandbar. For bait, if you don't want to mess with shrimp, Fish Bites work. There's probably some whiting near you and they are good to eat. No idea if the bulls are running yet, but they eat fish bites too. Hopefully you are fishing with a "pompano rig" already, but if not, got to Woody's or Port A Outfitters and get some, along with some 1 or 2 ounce pyramid weights and small circle hooks (as the tackle place what size, but I think I use size 6?). When you get a bite on your rig, you will know because your rod will double over and the circle hook will set itself. Seriously, you will know. Don't reel in and check it unless you are checking to see if you still have bait, which if you are using Fish Bites, you almost certainly will unlees you had a bite because that stuff stays on your hook forever.