The competition is taking place in Madeira.
Ireland will bid for another medal at the World Para Swimming Championships in Madeira later.
Roisin Ni Riain is back in the pool for the final of the 100-metre backstroke S-13.
Nicole Turner is celebrating a third-place finish in the 200-metre Individual Medley S-M-6 final last night.
The Portarlington swimmer took bronze and will feature again later in the week.