These guy's have got the info,
www.bom.gov.au/ but probably not exactly what you are after. You might be interested in climatic historical info, like this
www.bom.gov.au/climate/averages/wind/index.shtmlAs far as I know, the graphs on Seabreeze are the best display of coastal wind readings, and recently a whole lot of other useful data, like tides and swell....