The leu opened Tuesday at 4.34/4.343 against the euro, compared to 4.3305/4.3325 at closing the day before.
Within the first hour, the leu continued to weaken and, at around 10:15 local time, it was trading at 4.3525/4.354 to the euro.
The central bank set Monday a leu-to-euro reference of 4.3329 units.
On the money market, overnight rates rose to 5%-5.5% a year, from 4.79%-5.29% a year previously.