Abstract Efficiency and safety of maritime navigation depends very much on weather conditions. Since, in majority of cases, severe weather conditions are related with atmospheric fronts, it is crucial for meteorological support to provide a profound analysis and precise forecast of atmospheric fronts development and dissipation areas. The paper presents a method of determining the areas of frontogenetic and frontolytic zones worked out with the use of the results of research concerning the frontogenesis and frontolysis processes. The method is based on extensive analysis of the values of the frontogenetic function and the Q-vectors’ divergence