There are many great internet resources available to inform you of what the weather is likely to be for your next sailing trip or race.
We recommend the following:
Bay Winds - This site gives you the latest Port Phillip winds and temperatures.
Sea Breeze - This site has forcasts for wind, tides and swell. Also current information on wind and temperature.
Willy Weather - This is a great site for local weather; weather forcast, current wind, rainfall, sun, moon, UV, tides and swell. The link takes you directly to Williamstown weather.