Advice on Diving in Poland

...er, advanced wreck dives are at depths of 40-70 meters; these are perfect for technical and rebreather divers, and those that are highly experienced. The best diving conditions are from March to October, when the temperate climate is warmest, and the visibility is clearest. Air temperatures range from 18-30 Celsius in the summer, dropping to as low as -6 Celsius in the winter. Water temperatures range from 15 Celsius down to 1 Celsius; ice diving is popular in the winter months. Poland has the second highest number of lakes and reservoirs in Europe, just behind Finland. This provides another...