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The 5 knot rule

Your boat must not exceed 5 knots when:

  • Within 200 metres of the shore or a structure
  • Within 200 metres of any vessel flying the International Code A Flag eg dive flag
  • Within 50 metres of another boat, raft or person in the water
  • When the boat has anyone at or on the bow with any portion of his/her body extending over the fore part, bow or side of the vessel.

Age of drivers for powered vessels

The driver of any powerboat capable of speeds in excess of 10 knots must be 15 years of age or over.


You must not drive so that your vessel’s wake will cause unnecessary danger or risk of damage to other vessels or structures, or harm to other persons.

100 0565 Tga Harbour Bridge