Starting from sea heading into the long beach via the long beach breakwater.
The initial course is 355 and the channel is 400 yards wide. The left side continues past the breakwater inbound for 75 yards past the territorial sea.
After entering the breakwater the left side turns
To 293 for 125 yards.
After 293
302 for 2800 yards.
After 302
326 for 1350 yards.
After 326
322 for 350 yards
After 322
327 for 325 yards.
After 327
033 for 325 yards.
After 033
058 fro 330 yards. Then follow land and along pier 121 of pier T. The oil terminal. This will get you to the start of the back channel.