Passed through southbound 3.5 hrs into a 4.3’ high, saw 4-5 ft on the sounders, and was following the general depths posted by COE nov 2018. Must be a soft pluff mud bottom.
Hopefully that segment is on the priority list, along with behind IOP between the 2 bridges.
All the user comments on Waterway Guide were spot on from Winyah bay to Chas.