In a message on Twitter overnight (Stornoway time) Niall Iain Macdonald said:

"Feels great to be back out on the ocean. Thanks for your support. #NY2SY #SAMH

Niall Iain, 44, left Norfolk, Virginia, at 6am on Wednesday May 23. He hopes to complete his 3,400 rowing challenge in three to four months and is rowing for 12 hours a day on a two-hour on/off rotation.

Niall Iain signalled the start of his challenge with a simple post on Twitter and Facebook – “How long should you try? Until. 36°55′17″N 76°11′19″W”

This is a third attempt at the North Atlantic row – previously named NY2SY as he planned to go from New York to Stornoway – for freelance broadcaster Niall Iain.

His first attempt at the challenge in 2014 ended when he suffered a bad accident on board just nine days into it.

More about the trans-Atlantic bid