While entering the port of Zeebrugge from the sea, ships pass via:

• a deep draught channel,
  called "Het Scheur" and "Ribzand"
  
• a coastal channel,
  called "Wielingen"
  
• the access channel to the port of Zeebrugge,
  called "Pas van het Zand", approx. 2,000 m long and 600 m wide;
  depth -15.50 m MLLWS over a width of 300 m;
  general direction NW - SE.
  
• large breakwaters
  The distance between the breakwaters is 720 m.
  Depht there is -15.50 m MLLWS.

All channels are beaconed and radar controlled.

Density of the water:

• seawater : 1.025.
• inside the inner port : silt.