www.oceanoutlook.com.au has a five day swell and wind forecast for the following locations:

• Perth-Mandurah
• Albany-Denmark
• Margaret River
• Esperance
• Geraldton
• Gnaraloo (which is from north of Carnarvon to Ningaloo Station)

 www.seabreeze.com.au/graphs/forecast.asp

for Bureau of Meteorology's local waters and coastal waters wind forecasts (Kalbarri to Cape Leeuwin)

www.seabreeze.com.au has live graphs of the current day's wind conditions at:

• Ocean Reef
• Swanbourne
• Rottnest
• Melville Water
• Mandurah
• Garden Island

It also archives up to the last 30 days.  

www.dpi.wa.gov.au/imarine/coastaldata/1329.asp
Department of Planning and Infrastructure has near real time wave data from its waverider buoys for the following locations:

• Jurien
• Cottesloe
• Rottnest
• Naturaliste
• Albany 

as well as directional wave information for Rottnest .