The growing marine pollution by oil strengthens the interest not only in the methods of combating their causes, but in methods of their forecasting as well on the basis of modeling and calculation of spreading oil spreading on the sea for some reason or other.
The paper dwells on a mathematical model of calculating the area of oil spill spreading. The developed methodology for calculating change in the radius and area of oil spill is represented by function of three arguments: oil product density ρ , spillover volume V and o spreading time t.
The proposed model allows forecasting the initial stages of oil spreading. The given methodology enables to determine transit time of the process of oil spill spreading from the first phase to the second one, and from the second to the third one, and the radius and area of oil spill spreading.