An experienced open water swimmer sparked a rescue attempt after he was spotted in the water near Hilbre Islands.
A team of volunteer wardens spotted a man in the water near the Middle Eye island just after 12 noon today.
The West Kirby lifeguard was launched and made contact with the man, who explained he was an experienced open water swimmer and not in any difficulty.
In a statement posted on its Facebook page, Wirral Coastguard Rescue Team, said open water swimmers should inform the coastguard before attempting such feats.
The statement read: ‘Team tasked to person swimming to Middle Eye, West Kirby following concerns for his safety raised by Dee Estuary Volunteer Wardens.
‘RNLI West Kirby Lifeboat launched, who made contact with the swimmer, who was, in fact, an experienced open water swimmer.
‘Thanks to the wardens for raising the alarm. Team remained on scene to offer safety advice. Anyone intending to do similar please contact the Coastguard Operations Centre at Holyhead to advise them of your plans. False alarm with good intent.’