High Quality Content by WIKIPEDIA articles! The Women`s National Basketball League (WNBL) is the pre-eminent women`s professional basketball league in Australia. It currently is composed of ten teams. The league was founded in 1981 and is the women`s counterpart to the National Basketball League (NBL). League play started in 1981; the regular season is currently played from October to March with the Grand Final in either late February or early March.