Ian Walker, left, skipper of the Abu Dhabi Ocean Racing's Volvo 70 yacht, Azzam, says he will have to ration food to the crew as the leg to Miami is taking longer than expected to complete.
Ian Walker, left, skipper of the Abu Dhabi Ocean Racing's Volvo 70 yacht, Azzam, says he will have to ration food to the crew as the leg to Miami is taking longer than expected to complete.

Light winds means slow going for Volvo Ocean fleet