use active Captain
I have made this trip a few times, twice with a sailboat with 6-foot draft, once on a Kady Krogen 48 and once on my, new-to me trawler with a bit more than four foot draft.
I recommend that you use Active Captain with the data overlaid on a nautical chart. I use my iPad with Active Captain and Garmin Blue Charts. When looking at hazards and comments, follow the advice of Bob423. He is always spot on. This is not a casual/general comment. He has written an ICW guide that is available on Amazon and takes meticulous care in what he does and writes.