The good news here is that although the channel shifted after the 2017 hurricanes, the water is deep! The bad news here is that G47A and G47 are both missing. If you have updated your charts their expected location will be found on the chart. If you drive your boat through here following the aids to navigation as shown on the charts you will see water depths greater than 10 feet all the way through here. When you get over near R36 be prepared to experience cross setting current!