Five or fine:

You must travel at a safe speed at all times. Take into account: 

• The manoeuvrability of your craft. 
• Visibility. 
• Wind and sea state. 
• How busy it is on the water around you. 
• Other water users. 
• Hazards in the area. 
• The depth of water. 
• Remember the 5 knot rule.

Your boat must not exceed five knots when: 

• Within 200 metres of the shore or a structure.
• Within 200 metres of any vessel flying the International Code A Flag, for example, a 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.