Just set it to knots on the left hand side, seems to have more information than the radar site with wind readings turned on. You can see what you are missing out on in more detail (like I did this morning after sleeping in and missing the dawn assult)!
www.bom.gov.au/australia/meteye/
BOM's got two forecasters and often they contradict each other. Their older product seems to be more reliable IMO:
www.bom.gov.au/marine/wind.shtml
J