Safe water marks
Safe Water Marks may be used mid-channel, as a centreline or at the point where land is reached. These buoys indicate the presence of safe, navigable water all around the buoy
Above: Safe Water Mark Type 2 Solar Buoy
The safe water buoy may also indicate the best point of passage under a fixed bridge. These buoys are coloured red and white.
The buoy illustration shows a Type 2 configuration of buoy. These are approximately three metres in diameter and weigh approximately six tonnes excluding moorings.