Diving and dive flags

Boat flying a dive flag.

It is a requirement to fly a dive flag if you are:

  • diving from a vessel or diving unaccompanied from the shore
  • in an area where there may be passing vessels.

You must stay within 200m of a clearly displayed flag which may be:

  • On a vessel - 600mm x 600mm
  • On a buoy or float attached to diver with a dive flag - 200mm x 200mm.

Remember - fly your flag high so it can be seen

If you are approaching a vessel flying a dive flag, slow down to below 5 knots and look out for bubbles indicating a diver below.

Diving includes snorkelling, spearfishing, freediving and scuba diving.

Vessels must reduce speed to 5 knots within 200m of a vessel showing a dive flag or a dive flag on a buoy or float accompanying a diver.