http://www.extremesailingseries.com The Extreme Sailing Series, Act 4 Porto opened in spectacular fashion yesterday with big sea swells and strong winds creating some thrilling racing. The fleet raced in open water mode, but treated the the public to a sneak preview with the Extreme 40s finishing the day's racing within the riverbanks of the river Douro. From today they will get the full show with the Extreme 40s due to race in stadium mode each afternoon from 1645 local time, (1745 CEST)
