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Diving - General Information

Diving is subject to set rules and regulations and the Statute of the Croatian Diving Association. At present, laws prescribe that diving in Croatia may be done independently or organised through registered diving centres (irrespective whether Croatianbased or foreign). Each diver in Croatia must issue a diving license, diving card which is issued by which is issued by the local port authorities, dive centres and dive clubs on presentation of your passport and diving certification card.. The Croatian Diving Federation recognises almost all the international diving schools. You can also go on organised dives with one of the many diving clubs that lie along the coastline. Even with a general permit, you need a special permit to dive in the Kornati Islands National Park, Mljet National Park and a number of other locations.

In a case of a diving accident call the Association for Rescue and Search at Sea: 9155 (DAN) I VHF channel 16, 10, 74.



Diving Season

The diving season runs from May through November, but the highest season is during July and August Summer 

Water Temperature

water temperatures range from 21°C to 25°C at the surface.  During the winter, the sea is the coldest and the surface temperature is about 7°C; very seldom, it can drop below that too Currents are weak in most places but watch out for the chanals


In Mid and South Adriatic visibilities is excellent sometimes more than 50 meters. In Northern Adriatic visibility is not as clear as in mid or south Adriatic


In the Adriatic, the high and low tides have relatively small amplitudes. In some narrow channels and bays, the high tide can grow considerably during a strong sirocco.

Waves and Currents

Waves occur primarily as the consequence of the blowing of winds. Heights of waves in the Adriatic are between 0.5 and 1.5 metres, and they very rarely exceed 5 metres. Currents are rare in the Adriatic.The speed of currents changes in particular areas, but it also depends on time periods. The average speed of currents is about 0.5 knots, but they can also reach the speed of 4 knots. 

Diving is prohibited:

  • In the areas of internal sea waters encompassing harbours, accesses to harbours, anchorage and areas of heavy traffic.
  • In strict and special sea reserves, natural parks and other protected sea and undersea areas, except as explained above.
  • Near anchored warships and protected military facilities at the coastal edge at the distance of less than 100 metres.
  • In Mljet national park. Still  it is possible to join organised dives in Mljet national parks.



The area in which diving is performed must be visibly marked with an orange or red buoy or a diving flag. The maximum permitted depth for sport and recreational diving is 40 meters. 


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