Annalise Murphy leads the women’s Laser Radial fleet at the Laser European and World Championships in Dun Laoghaire.
Murphy followed up her two wins on Sunday with a victory and a second place today.
Finland's Tuula Tenkaen is in second place and London 2012 silver medallist Marit Bouwmeester in third.
In the men’s Laser Standard Rig, James Espey had a better day today with an eighth and 16th place finish leaving him 34th overall.
Fionn Lyden is leading the men’s Laser Radial fleet. Lyden’s registered a win and a second place on Sunday and recorded a fourth and a second today.
ISAF Youth Worlds 2012 silver medallist Finn Lynch is in fifth place.
Commenting on her performance, Murphy said: “It was pretty good overall for the day.
“It was very difficult on the different course, the wind pressure was up and down much more, sometimes there were five knots in some places and then 20 knots in others, and very, very changeable in direction too.
“The wind was moving through 60 degrees or something like that. But I really enjoyed it. The first race I sailed pretty perfectly on the upwind, but I was sitting in no wind with the fleet coming down at me on the downwind and there was nothing I could do, so I had to just sit and wait.
“That was a bit frustrating because I already had a big lead. The second race I got a good start, was first at the first mark and just held on.
“It is nice to have all low scores at this point when some of the others had some higher scores today. But then again that can all change in a few races.”