If Britain votes to leave the European Union, the country's shipping sector faces years of disruption as trade agreements get reworked and currency volatility leads to higher costs at a time when the industry is battling its worst global downturn.

European Commission delivered a bleak assessment Friday of Europe's economic prospects, saying that growth would be just 0.1 percent in the 27-nation European Union in 2013 and that the 17-nation euro zone would shrink 0.3 percent over the same period.