The Reserve Bank of Australia is considered almost certain to stand pat on rates although some expect a more dovish statement amid growing worries about the health of China's economy, Australia's biggest export market.
Surveys on the Chinese manufacturing sector <ECONCN> are due late in the morning session, ahead of the central bank rate announcement at 0430 GMT.
Pointing to a soft start, stock index futures fell 0.4 percent to 5,146.0, a 61.0-point discount to the underlying S&P/ASX 200 index <.AXJO>. The benchmark index closed 1 percent lower on Monday.
New Zealand's NZX 50 index <.NZ50> was a tad firmer at 5,660.6 in early trade.
(Reuters) - Australian stocks are likely to open lower on Tuesday following a negative lead from Wall Street with investors also cautious ahead of an interest rate decision at home and China data.