Tens of thousands of people lined the harbour to welcome HMS Queen Elizabeth to her home port for the first time.
Southampton Airport - Fog Delays
Fog has hit flights in London, Norwich and Southampton, with dozens of services having to be cancelled.
Heathrow had to axe more than 80 flights and there was also disruption to services at London City Airport.
The poor visibility led to the Woolwich Ferry service in London being suspended.
It was the second day running of flight disruptions, following delays and cancellations on Wednesday due to anti-austerity strikes across Europe.
Norwich airport was also affected by the fog, with some flights having to be diverted to other airports, and Southampton airport reported delays to flights from the Channel Islands.
They're now asking people to check with their airlines before heading to the airport.
British Airways was one of the airlines hit by the poor visibility.
''We are doing everything we can to help customers on flights disrupted by the foggy conditions across the UK and Europe today.
"We have been contacting customers on affected flights, who have the choice of rebooking or claiming a refund, and are advising customers to check ba.com for the latest flight information.
''We apologise to customers for the inconvenience and thank them for their understanding.''
Lanes will be added on Junction 9 slip roads, the Parkway South roundabout and Whiteley Way approach.
In a UK first, Hampshire firefighters are teaming up with police in a six-month trial.
29-year-old Ryan Merna died from multiple injuries, at a flat on Wessex Road.
Recently Played Tracks
Now playing: The best feel good music
Deposit £10 to get a £40 Welcome Bonus - That's £50 to play bingo, slots and more!*
Over 50 tracks to make you feel-good. New album out now...
Find your local four day weather report here.
What's happening on the roads where you are?
Make Heart the soundtrack to your day and you could be a winner with great prizes up for grabs throughout the day.
Find out more about some of the companies advertising on Heart.
Get some great ideas on how to advertise your business on radio, online and on mobile.