SOUNDINGS IN METRES
Reduced to a water-level, maintained
as far as possible at 9 dm below NAP.

HEIGHTS IN METRES
Above a water-level, maintained
as far as possible at 9 dm below NAP.

NOTES:
- Subsidiary channels are buoyed from 1/5 - 1/11.
- The beacons mark at least the 1.3 metre depth contour.
- Fishing areas are marked by floating beacons with yellow flags. These fishing areas
are not dangerous to shipping, keep clear of these areas outside the buoyed channels.