Use your boat to go get shad, if you have never used a cast net get one and learn on youtube/online articles and how to find shad. You can drop a sack of range cubes in a few spots if you just want some small keepers. If you want bigger ones, the big blues are still chasing fish on shallow mudflats. Find a mudflat in 4-10 ft of water and set up shop with lines in all directions closer to the outside edge of the flat. If you don't get bit in 30min move. Find a flat near rip rap and you're almost guaranteed to get some, find a flat next to rip rap where the wind is blowing into it, then you've got a really good shot at a trophy.