Surf Forecasts:
Vivonne Bay surf forecast from 14 Aug 2026:
- Best quality surf: Thursday 20 Aug, 12AM (local time) - 7ft (2.1m), 18s period, SW swell with offshore winds.
- Most powerful swell: Friday 14 Aug, 3PM (local time) - 13ft (4.0m), 16s period, SW swell with 7,173 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 3AM (local time) - 6ft (1.9m), 14s 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 Monday (Aug 17) at 3AM. The primary swell is predicted to be 1.9m and 14s period with a secondary swell of 1.1m and 17s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Vivonne Bay in the next 16 days are 4.0m 16s and forecast to arrive on Friday (Aug 14) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Aug 19) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 17th Aug) | 6ft (1.9m) 14s |
| Best Surf | 12AM (Thu 20th Aug) | 7ft (2.1m) 18s |
| Most Powerful | 3PM (Fri 14th Aug) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Vivonne Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 14°C on Fri morning, min 12°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue night. Very mild (max 17°C on Tue afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the NNE on Tue night, light winds from the NNW by Wed night). | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
AM | PM | 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 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 18 | SW 16 | SW 15 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7715 | 7173 | 6706 | 5330 | 4245 | 2873 | 2541 | 2350 | 1864 | 2580 | 2443 | 1484 | 2117 | 1464 | 886 | 868 | 1016 | 2611 | 2905 | 2255 | 3102 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-on | on | on | on | on | on | cross | cross-on | cross-on | cross | cross | cross | cross-off | off | cross-off | off | off | cross-off | cross-off |
High Tide | 1:15PM1.04m | 1:10AM0.75m | 1:29PM0.99m | 1:33AM0.83m | 1:40PM0.93m | 2:00AM0.89m | 1:49PM0.88m | 2:29AM0.91m | 1:57PM0.84m | 3:01AM0.91m | 2:02PM0.80m | 3:37AM0.89m | 1:57PM0.76m | ||||||||
Low Tide | 7:49PM0.36m | 6:58AM0.28m | 7:49PM0.33m | 7:28AM0.31m | 7:54PM0.29m | 7:56AM0.36m | 8:04PM0.25m | 8:23AM0.43m | 8:19PM0.22m | 8:49AM0.51m | 8:35PM0.21m | 9:15AM0.59m | 8:51PM0.22m | ||||||||
 | |  | | |  |  | |  | | | | | |  |  | | | | | | |
 | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 12 | 12 | 13 | 13 | 12 | 12 | 15 | 16 | 13 | 16 | 17 | 16 | 17 | 16 | 12 | 15 | 14 | 13 |
Feels °C | 12 | 11 | 11 | 9 | 8 | 9 | 9 | 7 | 9 | 11 | 13 | 9 | 11 | 12 | 10 | 13 | 12 | 10 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 16 | SW 15 | SW 16 |
| kJ | 7715 | 7173 | 6706 | 5330 | 4245 | 2873 | 2541 | 2350 | 1864 | 2580 | 2443 | 1484 | 2117 | 1464 | 886 | 868 | 1016 | 765 | 2905 | 2255 | 3102 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 26 | SW 24 | SW 21 | SW 19 | ESE 6 | E 6 | E 6 | W 9 | SW 20 | SW 18 | SW 16 | — | — |
| kJ | — | — | — | — | — | — | — | — | 13 | 87 | 652 | 1296 | 34 | 31 | 49 | 73 | 373 | 743 | 1675 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 24 | SSE 6 | S 10 | S 10 | — | SE 7 | ENE 6 | ENE 5 | NW 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 142 | 12 | 17 | 8 | — | 2 | 10 | 4 | 12 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 4 | SE 5 | ESE 5 | ENE 5 | NE 5 | NNE 4 | NNE 5 | N 4 | — | SW 18 | — | SW 4 | — |
| kJ | — | — | — | — | — | — | — | — | 7 | 19 | 44 | 47 | 43 | 26 | 62 | 16 | — | 2611 | — | 21 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 40 | 40 | 40 | 40 | 90 | 90 | 40 | 90 | 3 | 3 | 3 | 144 | 85 | 30 | 144 | 82 | 82 | 3 | 3 | 85 | 40 |
Best forecast wave conditions in Kangaroo Island | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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