"And with crude (oil) prices leading commodities lower, and iron ore following quickly behind, the risks of further weakness for the A$ are clear to see."
The exchange rate used by Reuters on Thursday was 7.1924 compared to 6.9527 the previous week.
The reserves plunged last year as state banks sold off an estimated total of $130 billion to stabilise the ailing lira, which still lost 20% of its value in 2020.
The lira weakened as far as 7.4540 against the US currency from a close of 7.3425 on Tuesday and stood at 7.4320 at 1400 GMT. After strong gains until mid-February, the lira has retreated back to end-2020 levels.
In its latest report, the bank also said it anticipated that the Turkish lira will reach 6.2 against the dollar by the end of the year. It currently stands at 6.9945.
South Africa's health ministry reported more than 21,000 new infections late on Wednesday, taking confirmed COVID-19 cases to date to 1.15 million, the most in Africa.
The lira rose as high as 7.4100 against the US currency in thin trade due to end-of-year holidays. Last Thursday, the central bank raised its one-week repo rate to 17% from 15%.
The lira stood at 7.4425, still 20% weaker than at the end of last year.