Little is known yet. Expect conditions to be chilly and the water to hover around the 12 degree's celcius mark for most of the year. The Baltic Sea is to the north from Poland and there will be shipwrecks to find in the seas surrounding this country.
Poland has a temperate climate and sits high in the latitude plane, far north of the equator.
The trend for diving in Poland is unknown but likely to be club and/or independent-based.
Hyperbaric Chamber facilities are currently unknown in Poland. There are ???.