Surf Forecasts:
Vivonne Bay surf forecast from 10 Aug 2026:
- Best quality surf: Thursday 13 Aug, 12AM (local time) - 15ft (4.5m), 16s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 12 Aug, 6PM (local time) - 15ft (4.5m), 16s period, SW swell with 11,080 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 9PM (local time) - 11ft (3.5m), 16s period with SW swell.
Best Forecast Surf Conditions for Vivonne Bay this week:
The surf forecast for Vivonne Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 9PM. The primary swell is predicted to be 3.5m and 16s period with a secondary swell of 2.1m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Vivonne Bay in the next 16 days are 4.5m 16s and forecast to arrive on Wednesday (Aug 12) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Aug 11) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 11th Aug) | 11ft (3.5m) 16s |
| Best Surf | 12AM (Thu 13th Aug) | 15ft (4.5m) 16s |
| Most Powerful | 6PM (Wed 12th Aug) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Vivonne Bay over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Very mild (max 15°C on Tue afternoon, min 12°C on Mon night). Winds increasing (light winds from the NW on Mon night, fresh winds from the NW by Tue morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 14°C on Thu night, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 14 | SW 18 | SW 16 | SSW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 3962 | 2944 | 5122 | 7431 | 9772 | 10801 | 9462 | 7970 | 6425 | 8031 | 8674 | 7263 | 6207 | 4891 | 4139 | 3051 | 2579 | 2383 | 1945 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | on | on | cross-on | glassy |
High Tide | 1:06AM0.42m | 12:07PM1.11m | 00:36AM0.48m | 12:34PM1.12m | 00:39AM0.57m | 12:57PM1.09m | 00:51AM0.66m | 1:15PM1.04m | 1:10AM0.75m | 1:29PM0.99m | 1:33AM0.83m | 1:40PM0.93m | 2:00AM0.89m | ||||||
Low Tide | 3:44AM0.40m | 8:00PM0.31m | 5:01AM0.34m | 7:56PM0.34m | 5:48AM0.30m | 7:52PM0.36m | 6:26AM0.27m | 7:49PM0.36m | 6:58AM0.28m | 7:49PM0.33m | 7:28AM0.31m | 7:54PM0.29m | |||||||
 |  | |  |  | |  | | |  |  | | | | | | | | | |
 | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — |
mm | — | — | — | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 12 | 13 | 14 | 13 | 15 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 14 |
Feels °C | 8 | 7 | 9 | 7 | 7 | 9 | 9 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 8 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 14 | SW 18 | WNW 9 | SSW 17 | SW 16 | SSW 16 | SW 16 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 3962 | 2944 | 5122 | 251 | 8509 | 10801 | 8322 | 7970 | 6425 | 8031 | 8674 | 7263 | 6207 | 4891 | 4139 | 3051 | 2579 | 2383 | 1945 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 4 | NNW 5 | SW 16 | SW 17 | SW 17 | SW 16 | — | — | — | — | — | — | — | — | ESE 4 | — | — | — |
| kJ | — | 32 | 27 | 7431 | 9772 | 9319 | 9462 | — | — | — | — | — | — | — | — | 10 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 30 | 146 | 470 | 470 | 682 | 651 | 139 | 40 | 139 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 3 |
Best forecast wave conditions in Kangaroo Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Vivonne Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Vivonne Bay Surf forecast
The above surf forecast table for Vivonne Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Vivonne Bay can be found by selecting the local surf guide option on the grey menu. Our Vivonne Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Vivonne Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Vivonne Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Kangaroo Island? If you are looking for accommodation near Vivonne Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 55 km (34 miles) away.
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