FISHERMAN'S GAT

Mariners are warned that within this area, manoeuvring traffic may be
encountered entering or leaving the Fisherman's Gat. Extra care should be
exercised when approaching the confluence of the Black Deep and Fisherman's Gat
and also when approaching the Knock John Channel. Mariners are reminded that
advice on shipping movements in this area is available from London VTS on VHF.
See Admiralty List of Radio Signals.