Opposing sides in the debate over the proposed Navitus Bay windfarm are having their say to the government's Planning Inspectorate today.
An open-floor hearing at the Bournemouth International Centre is the first stage in the formal decision-making process.
The plan to build a huge windfarm off the Dorset and Isle of Wight coasts has support from green energy campaigners but is furiously opposed by many residents and some authorities on the south coast.
More top news
More than 200,000 visitors are expected to attend.
Kate Haskell has the latest forecast.
Thousands have gathered for Winchester's Chilli and Cheese Festival. But planned pig racing was cancelled after a huge petition.