Ocean plowing need not involve nuclear submarines only, though. The ocean areas off the coast of West Africa are one of the most heavily traveled shipping lanes in the world. Admittedly this would require extra fuel for the merchants ships. But since the ships are traveling these ocean areas anyway, the cost of paying for extra fuel would be money well spent on reducing the severity of forming hurricanes. The idea behind wind energy cooling of surface water temperature is to use the power of the wind to raise cooler water temperatures to the surface of the ocean.
Wind powered water pumps are inexpensive.
Here is how this idea might work. A collection of about eighty to one hundred wind-powered water pumps would be mounted along the edge of a very large circular shaped floating structure. The water pumps would bring sharply cooler water up from twenty to thirty feet below the surface of the ocean. Since the major energy usage of this structure is from the wind powered pumps, the small diesel powered sprinklers would be an efficient use of energy. This entire wind powered flotation device could itself be moved every few days to enlarge the area of ocean being cooled.