Wave occurrences in Sydney

Thanks to Manly Hydraulics Laboratory, and their buoy located 10 km off Longreef, we can get a sense of the wave seasonality resulting from 27 years of measurements. Here a summary of the data available at this page.
In short: Autumn and Winter have the most powerful waves.

Which direction are waves more likely to come from? SSE, especially in Winter

While less frequent, the southerly swell brings bigger waves on average.

Which month has the biggest wave average? June (1.77 m.)

While the highest waves occur in April and May, the highest average is in June.
Note: the significant wave height (Hsig) is defined as the average of the highest one third of the wave heights in a 30 minute wave record.

Which month has the longest wave period? July (10.67 sec.)

Note: Peak Wave Period (Tp1) indicates how long are the waves with maximum energy

Wave occurrences in Sydney

Thanks to Manly Hydraulics Laboratory, and their buoy located 10 km off Longreef, we can get a sense of the wave seasonality resulting from 27 years of measurements. Here a summary of the data available at this page. In short: Autumn and Winter have the most powerful waves.

Which direction are waves more likely to come from? SSE, especially in Winter

Which month has the biggest wave average? June (1.77 m.)

Which month has the longest wave period? July (10.67 sec.)

Thanks to Manly Hydraulics Laboratory, and their buoy located 10 km off Longreef, we can get a sense of the wave seasonality resulting from 27 years of measurements. Here a summary of the data available at this page.
In short: Autumn and Winter have the most powerful waves.