The leu opened at 4.267/4.27 against the euro, compared to 4.2635/4.2665 at closing the day before.
Within the first hour, the leu continued to weaken and, at around 10:30 local time it was trading at 4.274/4.276 against the European coin, after reaching an early low at 4.276/4.279 to the euro.
The central bank published Friday a leu reference rate of 4.2717 per euro, about 0.15% stronger on the day.
On the money market, overnight rates stayed at 2.2%-2.5% a year.