We understand your concerns and offer a number of ways to make your experience a pleasant one:
However on a busy summer weekend you might end up in the large lock with many vessels of all sizes, including large ocean tugs during low tide, so it is best to be well prepared. ...always carry a couple of 50 ft. lines aboard.
The Large Lock Chambers can handle vessels and tows around 700 ft. long x 78 ft. wide. The Small Lock Chamber can handle vessels around 100 ft. long x 26 ft. wide. (See note below about individual situations).
"Locking Through" for the first time or with an expensive boat can be very intimidating, especially at low tides. The Small Lock Chamber is easier as you just tie up to the side walls that float up or down.