The Princess Royal is in Watchet in West Somerset today.
Princess Anne is visiting in her capacity as president of the Royal Yachting Association. She will unveil a plaque to celebrate the 150th anniversary of the town's lighthouse.
It's 22 feet tall and was built in 1860 to guard the entrance to the marina.
More top news
A woman and two young children have been seriously injured after being hit by a car near a seaside holiday park in Somerset.
Showers on Saturday and Sunday, some heavy, but sunny on the bank holiday
Some cloud tonight, showers Saturday and Sunday, sunny on Monday