The Royal Norfolk and Suffolk Yacht club, where Roger Pratt was a member, have released a statement following his death in St Lucia.
They said 'the club was stunned to hear of the tragic death of Roger Pratt on his boat the Magnetic Attraction.
The commodore of the club sends his sincere condolences to Mrs Pratt and the family at this time.'
The club's flag is today flying at half mast.
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Fog patches and extensive low cloud at first will steadily lift and clear.
A murky start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudier.
Isolated showers should die out through the evening to leave a dry remainder of the night.