SWATCHWAY CLOSURE: The Swatchway Channel is closed to navigation for vessels with a draught exceeding 2 metres. No vessel with a draught exceeding 2 metres is permitted to pass south of the guard vessel ISLA B. Vessels with a draught of less than 2 metres may use the Swatchway but must first contact London VTS (VHF Channel 68) and Medway VTS (VHF Channel 74). Vessels should avoid crossing the marked anchor cables. For further information, contact London VTS (VHF Channel 68) or Medway VTS (VHF Channel 74).