HEIGHTS IN METRES
Above Mean Sea Level
Vertical clearances above HAT.

CHANGING FAIRWAYS
Due to strong currents the fairways are changing continuously.
Actual depth may differ from the charted soundings. The buoyage
is adjusted accordingly.

The beacons mark at least the 2,0 metre depth contour 
(ħApril-October). More beacons can be met than charted.

SPEED RESTRICTIONS
In these waters restrictions for sailing with fast
motorboats and waterskiing are in force.