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Vivonne Bay Surf Forecast
/ SA – Kangaroo Island (8 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Vivonne Bay surfForecast / SA – Kangaroo Island / Australia
12 Day Weather and Surf, issued 2 pm Saturday 23 Aug 2025 ACST
Best Forecast Surf Conditions for Vivonne Bay this week:
The surf forecast for Vivonne Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 28) at 12AM. The primary swell is predicted to be 3.5m and 13s period with a secondary swell of 3.5m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Vivonne Bay in the next 12 days are 4.0m 12s and forecast to arrive on Thursday (Aug 28) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Tuesday (Aug 26) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Thu 28th Aug) | 11ft (3.5m) 13s |
| Best Surf | 12AM (Thu 28th Aug) | 11ft (3.5m) 13s |
| Most Powerful | 3AM (Thu 28th Aug) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Vivonne Bay over the next 12 days.
Short Range Forecast Moderate rain (total 15mm), heaviest on Mon night. Very mild (max 19°C on Mon morning, min 10°C on Sat night). Winds increasing (light winds from the ENE on Sat night, strong winds from the NNW by Mon night). | Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Thu afternoon. Very mild (max 14°C on Tue afternoon, min 9°C on Wed night). Winds increasing (light winds from the NW on Wed night, strong winds from the WSW by Fri morning). | ||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 13 | 13 | 19 | 17 | 16 | 16 | 14 | 14 | 9 | 12 | 12 | 13 | 12 | 11 | 11 | 10 | 12 | 10 | 13 | ||
Wave (?)Graph  | |||||||||||||||||||||||
| Energy (?) | 4635 | 3126 | 1812 | 1562 | 3462 | 3850 | 2465 | 1666 | 1199 | 3144 | 1875 | 3017 | 3410 | 8241 | 2346 | 1593 | 1155 | 1189 | 1380 | 1431 | 6329 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | ||
High Tide / height (m) | 12:37AM 0.69 | 12:54PM 1.04 | 12:57AM 0.79 | 1:09PM 1.00 | 1:19AM 0.86 | 1:23PM 0.96 | 1:44AM 0.91 | 1:36PM 0.91 | 2:09AM 0.94 | 1:47PM 0.87 | 2:36AM 0.94 | 1:55PM 0.82 | 3:04AM 0.92 | ||||||||||
Low Tide / height (m) | 7:24PM 0.35 | 6:13AM 0.28 | 7:24PM 0.33 | 6:44AM 0.28 | 7:29PM 0.29 | 7:13AM 0.29 | 7:38PM 0.26 | 7:40AM 0.33 | 7:49PM 0.23 | 8:05AM 0.38 | 8:02PM 0.21 | 8:30AM 0.45 | 8:15PM 0.21 | 8:55AM 0.52 | |||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | 6:52 | - | - | 6:50 | - | - | 6:48 | - | - | 6:48 | - | - | 6:46 | - | - | 6:45 | ||
| Sunset | 5:53 | - | - | 5:53 | - | - | 5:54 | - | - | 5:55 | - | - | 5:57 | - | - | 5:57 | - | - | 5:58 | - | - | ||
 |  |  |  |  | |  |  | |  | | | | | | | | | |  | | |||
Rain (mm) | - | - | - | - | - | - | 2 | 13 | - | 2 | 4 | 1 | 1 | - | 3 | 4 | 1 | 3 | 3 | 2 | - | ||
| Temp. °C | 13 | 11 | 16 | 17 | 18 | 19 | 19 | 16 | 16 | 14 | 12 | 12 | 12 | 12 | 13 | 11 | 11 | 11 | 10 | 11 | 11 | ||
| Feels °C (?) | 10 | 9 | 11 | 12 | 11 | 11 | 12 | 11 | 9 | 7 | 5 | 4 | 4 | 6 | 6 | 3 | 2 | 1 | -1 | 1 | 2 | ||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for SA - Kangaroo Island
Continuing clean conditions at Vivonne Bay (light winds from the SSW at ParndanaCfsAws 23 km from Vivonne Bay). A 3.2m groundswell from the SW is too big for here
23 km away, 1 h 22 min ago
FREE! Surf-Forecast.com widget for your website
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 12 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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