Surf Forecasts:
Cape Kersaint surf forecast from 16 Jun 2026:
- Best quality surf: Saturday 20 Jun, 3PM (local time) - 10ft (3.0m), 15s period, SSW swell with cross-onshore winds.
- Most powerful swell: Friday 19 Jun, 12PM (local time) - 13ft (4.0m), 17s period, SW swell with 9,386 kJ wave energy.
- Next surfable swell (1★+): Wednesday 17 Jun, 9AM (local time) - 5.5ft (1.7m), 13s period with SW swell.
Best Forecast Surf Conditions for Cape Kersaint this week:
The surf forecast for Cape Kersaint over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 17) at 9AM. The primary swell is predicted to be 1.7m and 13s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cape Kersaint in the next 16 days are 4.0m 17s and forecast to arrive on Friday (Jun 19) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Thursday (Jun 18) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 17th Jun) | 5.5ft (1.7m) 13s |
| Best Surf | 3PM (Sat 20th Jun) | 10ft (3.0m) 15s |
| Most Powerful | 12PM (Fri 19th Jun) | 13ft (4.0m) 17s |
Table - best surf conditions forecast for Cape Kersaint over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 44mm), heaviest during Wed night. Very mild (max 17°C on Wed morning, min 12°C on Fri night). Winds increasing (light winds from the NW on Wed night, strong winds from the WSW by Thu night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Mon morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SW 22 | WSW 20 | SW 12 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SSW 14 | SW 14 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 17 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 999 | 732 | 430 | 324 | 244 | 4846 | 4797 | 9156 | 5879 | 4736 | 3474 | 1941 | 1797 | 1292 | 1655 | 1237 | 1361 | 1830 | 2390 | 7622 | 6958 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | off | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | off | off | off | off | cross-off | cross-off | on |
High Tide | 1:33PM1.16m | 00:33AM0.46m | 2:01PM1.10m | 1:03AM0.51m | 2:26PM1.03m | 1:46AM0.56m | 2:48PM0.95m | 2:40AM0.60m | 3:05PM0.87m | 3:50AM0.64m | 3:18PM0.79m | 5:38AM0.68m | 3:19PM0.72m | ||||||||
Low Tide | 9:41PM0.42m | 5:58AM0.24m | 9:50PM0.46m | 6:36AM0.28m | 9:53PM0.47m | 7:16AM0.34m | 10:00PM0.46m | 7:58AM0.42m | 10:14PM0.44m | 8:46AM0.52m | 10:40PM0.40m | 10:03AM0.63m | 11:17PM0.37m | ||||||||
 |  |  |  |  | | | | |  |  |  | | | | | |  | | |  | |
 | 7:30 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — |
 | — | 5:13 | — | — | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:14 | — | — | 5:14 | — |
mm | 6 | 14 | 9 | 1 | 2 | 4 | 2 | 3 | 3 | — | — | — | — | — | — | — | — | — | 2 | 2 | 35 |
Temp °C | 17 | 16 | 15 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 14 | 12 |
Feels °C | 14 | 11 | 13 | 6 | 6 | 8 | 7 | 7 | 6 | 7 | 8 | 8 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 20 | SW 18 | SW 17 | SW 16 | SSW 16 | SSW 15 | SW 15 | SSW 14 | SW 14 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 17 | SSW 15 |
| kJ | 999 | 732 | 430 | 324 | 244 | 1171 | 1974 | 2483 | 2119 | 4736 | 3474 | 1941 | 1797 | 1292 | 1655 | 1237 | 1361 | 1830 | 2390 | 7622 | 6958 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | WNW 7 | W 5 | SSW 24 | W 8 | NNE 6 | — | — | — | SSW 10 | SSW 15 | SSE 9 | S 8 | SSE 8 | SSE 8 | SSE 7 | SE 7 | — | — | — | — |
| kJ | 22 | 68 | 17 | 56 | 78 | 13 | — | — | — | 279 | 1010 | 249 | 277 | 112 | 51 | 21 | 7 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 10 | S 9 | ENE 5 | S 7 | SW 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 7 | 9 | 1 | 235 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 5 | — | NW 5 | NNW 5 | WSW 20 | SW 12 | SSW 17 | SSW 16 | S 10 | — | — | — | — | — | NNW 3 | NW 3 | NNW 4 | NW 4 | SW 17 | SSW 15 |
| kJ | 19 | 56 | — | 77 | 61 | 4846 | 4797 | 9156 | 5879 | 1087 | — | — | — | — | — | 8 | 5 | 11 | 40 | 6488 | 5669 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 24 | 148 | 471 | 471 | 152 | 471 | 664 | 45 | 45 | 102 | 43 | 43 | 43 | 5 | 5 | 5 | 5 | 88 | 88 | 88 |
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 Cape Kersaint 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 Cape Kersaint Surf forecast
The above surf forecast table for Cape Kersaint provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cape Kersaint can be found by selecting the local surf guide option on the grey menu. Our Cape Kersaint 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 (Cape Kersaint) 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 Cape Kersaint 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 Cape Kersaint, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 62 km (39 miles) away.
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